tests: fixed case-insensitive match for method name

src/testcurl/https/test_https_get.c

@@ -111,8 +111,8 @@ ahc_empty (void *cls,
   (void) upload_data;
   (void) upload_data_size; /* Unused. Silent compiler warning. */
 
-  if (0 != strcasecmp ("GET",
-                       method))
+  if (0 != strcmp ("GET",
+                   method))
     return MHD_NO;              /* unexpected method */
   if (&ptr != *unused)
   {