More splits from "tuxpaint.c":

+ "debug.h": Defines whether debugging printf() calls should be enabled.
  + "dirwalk.c/h": Callback functions for recursive directory traversal.
  + "fonts.c/h": Font loading/grouping/discarding variables and functions.
  + "get_fname.c/h": Functions for constructing preferred file paths.

src/get_fname.h

@@ -0,0 +1,14 @@
+/*
+  get_fname.h
+*/
+
+#ifndef GET_FNAME_H
+#define GET_FNAME_H
+
+extern char * savedir;
+
+char * get_fname(const char * const name);
+
+
+#endif
+