x86/lib: Fix spelling, put space between a numeral and its units

As suggested by Peter Anvin.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: H . Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
index f3d83cb..65268a6 100644
--- a/arch/x86/lib/memmove_64.S
+++ b/arch/x86/lib/memmove_64.S
@@ -27,7 +27,7 @@
 ENTRY(memmove)
 	CFI_STARTPROC
 
-	/* Handle more 32bytes in loop */
+	/* Handle more 32 bytes in loop */
 	mov %rdi, %rax
 	cmp $0x20, %rdx
 	jb	1f