Fix build

Author: arnaud-lb

config.m4

@@ -70,6 +70,7 @@ if test "$PHP_MEMPROF" != "no"; then
     AC_DEFINE([HAVE_MALLOC_HOOKS], 1, [Define to 1 if libc supports malloc hooks])
     AC_MSG_RESULT(yes)
   ],[
+    AC_DEFINE([HAVE_MALLOC_HOOKS], 0, [Define to 1 if libc supports malloc hooks])
     AC_MSG_RESULT(no)
   ])
 

memprof.c

@@ -759,7 +759,7 @@ static char * generate_filename(const char * format) {
 		slash[0] = DEFAULT_SLASH;
 	}
 
-	spprintf(&filename, 0, "%s%smemprof.%s.%ld", output_dir, slash, format, ts);
+	spprintf(&filename, 0, "%s%smemprof.%s.%lld", output_dir, slash, format, (long long) ts);
 
 	return filename;
 }