Minor perlasm clean-up.

crypto/perlasm/x86_64-xlate.pl

@@ -488,8 +488,8 @@ close STDOUT;
 # as that 32 bytes from 8(%rsp) can always be used as temporal
 # storage [without allocating a frame]. One can actually argue that
 # one can assume a "red zone" above stack pointer under Win64 as well.
-# Point is that at apparently no accasion Windows would alter the area
-# above stack pointer in true asynchronous manner...
+# Point is that at apparently no occasion Windows kernel would alter
+# the area above user stack pointer in true asynchronous manner...
 #
 # All the above means that if assembler programmer adheres to Unix
 # register and stack layout, but disregards the "red zone" existense,

crypto/perlasm/x86ms.pl

@@ -27,7 +27,6 @@ $label="L000";
 sub main'asm_init_output { @out=(); }
 sub main'asm_get_output { return(@out); }
 sub main'get_labels { return(@labels); }
-sub main'external_label { push(@labels,@_); }
 sub main'external_label
 {
 	push(@labels,@_);