fix forgotten VCL_INT limits

we missed to change these when we changed the VCL_INT typedef from long
to int64_t

Should we add VCL_INT_MAX / VCL_INT_MIN (and for the other integer
types, respectively)?

lib/libvmod_std/vmod_std_conversions.c

@@ -81,7 +81,7 @@ vmod_integer(VRT_CTX, VCL_STRING p, VCL_INT i)
 		return (i);
 
 	r = trunc(r);
-	if (r > LONG_MAX || r < LONG_MIN)
+	if (r > INT64_MAX || r < INT64_MIN)
 		return (i);
 
 	return ((VCL_INT)r);
@@ -158,7 +158,7 @@ vmod_real2integer(VRT_CTX, VCL_REAL r, VCL_INT i)
 	if (!isfinite(r))
 		return (i);
 	r = round(r);
-	if (r > LONG_MAX || r < LONG_MIN)
+	if (r > INT64_MAX || r < INT64_MIN)
 		return(i);
 	return ((VCL_INT)r);
 }
@@ -182,7 +182,7 @@ vmod_time2integer(VRT_CTX, VCL_TIME t, VCL_INT i)
 	if (!isfinite(t))
 		return (i);
 	t = round(t);
-	if (t > LONG_MAX || t < LONG_MIN)
+	if (t > INT64_MAX || t < INT64_MIN)
 		return(i);
 	return ((VCL_INT)t);
 }