Added support for system and user configuration files on Windows. The

system 'tuxpaint.cfg' file is in the same directory as the executable, the
user 'tuxpaint.cfg' file is in the 'savedir' location e.g.
'C:\Documents and Settings\username\Application Data\TuxPaint'.

src/tuxpaint.c

@@ -7708,7 +7708,6 @@ static void setup(int argc, char * argv[])
 
   /* Load options from global config file: */
 
-#ifndef WIN32
 
   /* Check to see if it's ok first: */
 
@@ -7726,7 +7725,12 @@ static void setup(int argc, char * argv[])
 
   if (ok_to_use_sysconfig)
     {
+#ifndef WIN32
       snprintf(str, sizeof(str), "%s/tuxpaint.conf", CONFDIR);
+#else
+      /* Global config file in the application directory on Windows */
+      strcpy(str, "tuxpaint.cfg");
+#endif
     
       fi = fopen(str, "r");
       if (fi != NULL)
@@ -7738,13 +7742,15 @@ static void setup(int argc, char * argv[])
 	debug(str);
     }
 
-#endif
 
 
   /* Load options from user's own configuration (".rc" / ".cfg") file: */
 
-#if defined(WIN32) || defined(__BEOS__)
-  /* Windows and BeOS: Use a "tuxpaint.cfg" file: */
+#if defined(WIN32)
+  /* Default local config file in users savedir directory on Windows */
+  snprintf(str, sizeof(str), "%s/tuxpaint.cfg", savedir);
+#elif defined(__BEOS__)
+  /* BeOS: Use a "tuxpaint.cfg" file: */
   
   strcpy(str, "tuxpaint.cfg");