Add more checking for _MSC_VER compiler.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2394 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/finsh/finsh.h

@@ -64,7 +64,7 @@ typedef unsigned char  u_char;
 typedef unsigned short u_short;
 typedef unsigned long  u_long;
 
-#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__) && !defined(__ADSPBLACKFIN__)
+#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__) && !defined(__ADSPBLACKFIN__) && !defined(_MSC_VER)
 typedef unsigned int size_t;
 
 #ifndef NULL
@@ -140,7 +140,6 @@ extern struct finsh_syscall_item *global_syscall_list;
 struct finsh_syscall* finsh_syscall_lookup(const char* name);
 
 /* system variable table */
-
 struct finsh_sysvar
 {
 	const char*		name;		/* the name of variable */

components/finsh/shell.c

@@ -53,7 +53,7 @@ char *strdup(const char *s)
 }
 #endif
 
-#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__) && !defined(__ADSPBLACKFIN__)
+#if !defined(__CC_ARM) && !defined(__IAR_SYSTEMS_ICC__) && !defined(__ADSPBLACKFIN__) && !defined(_MSC_VER)
 int isalpha( int ch )
 {
 	return (unsigned int)((ch | 0x20) - 'a') < 26u;