remove winmessage() prototype, there is no such thing (hopefully)

ChangeLog

@@ -1,3 +1,7 @@
+2010-10-08  Robert Larice
+ * src/main.c :
+    remove winmessage() prototype, there is no such thing (hopefully)
+
 2010-10-08  Robert Larice
  * src/include/inpdefs.h ,
  * src/spicelib/parser/inp.h :

src/main.c

@@ -344,13 +344,6 @@ struct dvec *EVTfindvec(char *node){
 
 #endif /* SIMULATOR */
 
-#ifndef HAS_WINDOWS
-/* dummy of MS Windows message function */
-void winmessage(char* new_msg) {
-   return;
-}
-#endif
-
 char *hlp_filelist[] = { "ngspice", 0 };