swap calloc arguments

Author: ahorek

api/gutil.cpp

@@ -470,7 +470,7 @@ void STARFIELD::build_stars(int sz, float sp) {
 	nstars=sz;
 
     if (stars) free(stars);
-    stars = (STAR*)calloc(sizeof(STAR), (long unsigned int)nstars);
+    stars = (STAR*)calloc((long unsigned int)nstars, sizeof(STAR));
     if (!stars) {
         fprintf(stderr, "out of mem in STARFIELD::build_stars");
         sz = 0;