Compiler warning fix.

main/php_variables.h

@@ -31,6 +31,7 @@
 #define PARSE_STRING 3
 
 void php_treat_data(int arg, char *str, zval* destArray TSRMLS_DC);
+void php_startup_auto_globals(TSRMLS_D);
 extern PHPAPI void (*php_import_environment_variables)(zval *array_ptr TSRMLS_DC);
 PHPAPI void php_register_variable(char *var, char *val, pval *track_vars_array TSRMLS_DC);
 /* binary-safe version */