Spelling fixes

Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c
index facea1b..3a1735e 100644
--- a/sha1dc/sha1.c
+++ b/sha1dc/sha1.c
@@ -918,7 +918,7 @@ static void sha1recompress_fast_ ## t (uint32_t ihvin[5], uint32_t ihvout[5], co
 
 #ifdef _MSC_VER
 #pragma warning(push)
-#pragma warning(disable: 4127)  /* Complier complains about the checks in the above macro being constant. */
+#pragma warning(disable: 4127)  /* Compiler complains about the checks in the above macro being constant. */
 #endif
 
 #ifdef DOSTORESTATE0