Remove phpdbg_xml_asprintf()

Clang doesn't like the use of promoted zend_bool in va_start. As
the function isn't used anyway, I'm simply dropping it...

Author: nikic

sapi/phpdbg/phpdbg_out.c

@@ -863,17 +863,6 @@ PHPDBG_API int phpdbg_xml_vasprintf(char **buf, const char *format, zend_bool es
 }
 /* copy end */
 
-PHPDBG_API int _phpdbg_xml_asprintf(char **buf, const char *format, zend_bool escape_xml, ...) {
-	int ret;
-	va_list va;
-
-	va_start(va, escape_xml);
-	ret = phpdbg_xml_vasprintf(buf, format, escape_xml, va);
-	va_end(va);
-
-	return ret;
-}
-
 PHPDBG_API int _phpdbg_asprintf(char **buf, const char *format, ...) {
 	int ret;
 	va_list va;

sapi/phpdbg/phpdbg_out.h

@@ -67,9 +67,6 @@ PHPDBG_API int phpdbg_rlog_internal(int fd, const char *fmt, ...) PHPDBG_ATTRIBU
 
 #define phpdbg_rlog(fd, fmt, ...) phpdbg_rlog_internal(fd, fmt, ##__VA_ARGS__)
 
-#define phpdbg_xml_asprintf(buf, ...) _phpdbg_xml_asprintf(buf, ##__VA_ARGS__)
-PHPDBG_API int _phpdbg_xml_asprintf(char **buf, const char *format, zend_bool escape_xml, ...);
-
 #define phpdbg_asprintf(buf, ...) _phpdbg_asprintf(buf, ##__VA_ARGS__)
 PHPDBG_API int _phpdbg_asprintf(char **buf, const char *format, ...);