Fix typo.

src/p11-finalize.c

@@ -43,7 +43,7 @@
 
 CK_DEFINE_FUNCTION(CK_RV, C_Finalize)(CK_VOID_PTR pReserved)
 {
-  /* This is one of the few functions which does not need to take the
+  /* This is one of the few functions which do not need to take the
      global lock.  */
 
   if (pReserved != NULL_PTR)

src/p11-getfunctionlist.c

@@ -117,7 +117,7 @@ static CK_FUNCTION_LIST function_list =
 CK_DEFINE_FUNCTION(CK_RV, C_GetFunctionList)
      (CK_FUNCTION_LIST_PTR_PTR ppFunctionList)
 {
-  /* This is one of the few functions which does not need to take the
+  /* This is one of the few functions which do not need to take the
      global lock.  */
 
   if (ppFunctionList == NULL_PTR)

src/p11-initialize.c

@@ -52,7 +52,7 @@ CK_DEFINE_FUNCTION(CK_RV, C_Initialize) (CK_VOID_PTR pInitArgs)
 {
   CK_RV err;
 
-  /* This is one of the few functions which does not need to take the
+  /* This is one of the few functions which do not need to take the
      global lock.  */
 
   /* Set the assuan error source, so that gpg_error_t becomes a valid