(svn r2866) Move all functions and tables which aren't directly involved in managing the sprite heap to a new file gfxinit.c.

This doesn't ease the global variable mess, but makes the distinction between sprite heap and gfx loading routines easier.

openttd.dsp

@@ -193,6 +193,10 @@ SOURCE=.\gfx.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\gfxinit.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\landscape.c
 # End Source File
 # Begin Source File
@@ -550,6 +554,10 @@ SOURCE=.\gfx.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\gfxinit.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\gui.h
 # End Source File
 # Begin Source File