am a37ce7fa: Merge "Add missing va_end() to prevent stack corruptions"

* commit 'a37ce7faa6d6c7355e3c6f6e09e5268cbf29c291':
  Add missing va_end() to prevent stack corruptions

libc/stdio/vfprintf.c

@@ -827,6 +827,7 @@ error:
 		munmap(argtable, argtablesiz);
 		argtable = NULL;
 	}
+        va_end(orgap);
 	return (__sferror(fp) ? EOF : ret);
 	/* NOTREACHED */
 }