Fix some typo and comments

[skip ci]
Reviewed-by: NAndy Polyakov <appro@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4149)

doc/man3/SSL_alloc_buffers.pod

@@ -20,7 +20,7 @@ The B<SSL_MODE_RELEASE_BUFFERS> mode releases read or write buffers whenever
 the buffers have been drained. These functions allow applications to manually
 control when buffers are freed and allocated.
 
-After freeing the buffers, the buffers are automatically reallocted upon a
+After freeing the buffers, the buffers are automatically reallocated upon a
 new read or write. The SSL_alloc_buffers() does not need to be called, but
 can be used to make sure the buffers are pre-allocated. This can be used to
 avoid allocation during data processing or with CRYPTO_set_mem_functions()
@@ -44,7 +44,7 @@ The SSL_free_buffers() function returns 1 if the buffers have been freed. This
 value is also returned if the buffers had been freed before calling
 SSL_free_buffers().
 The SSL_alloc_buffers() function returns 1 if the buffers have been allocated.
-This valus is also returned if the buffers had been allocated before calling
+This value is also returned if the buffers had been allocated before calling
 SSL_alloc_buffers().
 
 =back

test/asn1_encode_test.c

@@ -672,7 +672,7 @@ static int do_decode_custom(const TEST_CUSTOM_DATA *custom_data,
 {
     unsigned char *encoding = NULL;
     /*
-     * We force the defaults to be explicitely encoded to make sure we test
+     * We force the defaults to be explicitly encoded to make sure we test
      * for defaults that shouldn't be present (i.e. we check for failure)
      */
     size_t encoding_length = make_custom_der(custom_data, &encoding, 1);

test/asynciotest.c

@@ -325,7 +325,7 @@ static int test_asyncio(int test)
             goto end;
 
         /*
-         * Now read the test data. It may take more attemps here because
+         * Now read the test data. It may take more attempts here because
          * it could fail once for each byte read, including all overhead
          * bytes from the record header/padding etc.
          */

test/sslapitest.c

@@ -91,7 +91,7 @@ static void server_keylog_callback(const SSL *ssl, const char *line)
 
     /* If the log doesn't fit, error out. */
     if (server_log_buffer_index + line_length > sizeof(server_log_buffer) - 1) {
-        TEST_info("Server og too full");
+        TEST_info("Server log too full");
         error_writing_log = 1;
         return;
     }

test/sslbuffertest.c

@@ -105,7 +105,7 @@ static int test_func(int test)
         if (!TEST_size_t_eq(len, sizeof(testdata)))
             goto end;
         /*
-         * Now read the test data. It may take more attemps here because
+         * Now read the test data. It may take more attempts here because
          * it could fail once for each byte read, including all overhead
          * bytes from the record header/padding etc.
          */

test/testutil.h

@@ -41,7 +41,7 @@
  * int global_init(void);
  *
  * This function should return zero if there is an unrecoverable error and
- * non-zero if the intialization was successful.
+ * non-zero if the initialization was successful.
  */
 
 /* Adds a simple test case. */
@@ -235,8 +235,8 @@ int test_mem_ne(const char *, int, const char *, const char *,
 
 /*
  * Check a boolean result for being true or false.
- * They return 1 if the condition is true (i.e. the value is non-zro).
- * Otherwise, they return 0 and pretty-prints diagnostics using |desc|.
+ * They return 1 if the condition is true (i.e. the value is non-zero).
+ * Otherwise, they return 0 and pretty-prints diagnostics using |s|.
  * These should not be called directly, use the TEST_xxx macros below instead.
  */
 int test_true(const char *file, int line, const char *s, int b);