Fix for -fno-common

Index: include/snow.h
--- include/snow.h.orig
+++ include/snow.h
@@ -32,13 +32,6 @@
 #include "objects.h"
 
 
-struct Flake *flakes;
-
-struct Flake{
-  float x,y;
-  float vx,vy;
-  float s;
-};
 
 void UpdateFlakes(struct Planet *planet);
 void DrawFlakes(GdkPixmap *pxmap,GdkGC *pen,int x,int y);
