Replaced tabs with spaces in test programs.

test/testwm2.c

@@ -112,7 +112,7 @@ main(int argc, char *argv[])
 {
     int i;
 
-	/* Enable standard application logging */
+    /* Enable standard application logging */
     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
 
     SDL_assert(SDL_arraysize(cursorNames) == SDL_NUM_SYSTEM_CURSORS);