making "fimg_type_is_valid" public

floatimg.h

@@ -2,7 +2,7 @@
  *	floatimg.h
  */
 
-#define		FIMG_VERSION	92
+#define		FIMG_VERSION	93
 
 /*
  *	in memory descriptor
@@ -53,6 +53,8 @@ int   fimg_create(FloatImg *fimg, int w, int h, int t);
 int   fimg_destroy(FloatImg *fimg);
 int   fimg_clone(FloatImg *fimg, FloatImg *newpic, int flags);
 int   fimg_copy_data(FloatImg *from, FloatImg *to);
+int   fimg_type_is_valid(int type);
+
 
 int   fimg_print_version(int k);
 void  fimg_printhead(FloatImg *h);

lib/fimg-core.c

@@ -14,7 +14,7 @@
 extern int verbosity;		/* must be declared around main() */
 
 /* ---------------------------------------------------------------- */
-static int fimg_type_is_valid(int type)
+int fimg_type_is_valid(int type)
 {
 switch (type) {
  	case FIMG_TYPE_GRAY: