httping: import from oldpackages and upgrade to version 2.5

Package version upgraded to 2.5 with patches:
- Fixed compiler warnings
- Fixed miscalculated response time
- Reduced binary size by stripping unused code

Signed-off-by: Marcin Jurkowski <marcin1j@gmail.com>

net/httping/patches/003-fix_response_time.patch

@@ -0,0 +1,17 @@
+--- a/utils.c
++++ b/utils.c
+@@ -18,12 +18,11 @@
+ double get_ts(void)
+ {
+ 	struct timeval ts;
+-       	struct timezone tz;
+ 
+-	if (gettimeofday(&ts, &tz) == -1)
++	if (gettimeofday(&ts, NULL) == -1)
+ 		error_exit(gettext("gettimeofday failed"));
+ 
+-	return (double)ts.tv_sec + ((double)ts.tv_usec)/1000000.0 + (double)(tz.tz_minuteswest * 60);
++	return (double)ts.tv_sec + ((double)ts.tv_usec)/1000000.0;
+ }
+ 
+ void split_string(const char *in, const char *split, char ***list, int *list_n)