Fix mis-indented lines

Per Coverity

src/backend/utils/misc/guc-file.l

@@ -596,9 +596,9 @@ ParseConfigFp(FILE *fp, const char *config_file, int depth, int elevel,
 								 depth + 1, elevel,
 								 head_p, tail_p))
 				OK = false;
-				yy_switch_to_buffer(lex_buffer);
-				pfree(opt_name);
-				pfree(opt_value);
+			yy_switch_to_buffer(lex_buffer);
+			pfree(opt_name);
+			pfree(opt_value);
 		}
 		else if (guc_name_compare(opt_name, "include") == 0)
 		{