Fix some warnings for IRIX 6.5

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9992 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

fluid/Fl_Type.cxx

@@ -237,10 +237,8 @@ int Widget_Browser::item_height(void *l) const {
       return textsize()*2+1;
     else
       return textsize()+2;
-  } else {
-    return 0;
   }
-  return ((Fl_Type *)l)->visible ? textsize()+2 : 0;
+  return 0;
 }
 
 int Widget_Browser::incr_height() const {return textsize()+2;}

src/Fl_Gl_Window.cxx

@@ -24,8 +24,6 @@ extern int fl_gl_load_plugin;
 extern void gl_texture_reset();
 #endif
 
-static int temp = fl_gl_load_plugin;
-
 #include <FL/Fl.H>
 #include <FL/x.H>
 #ifdef __APPLE__

src/Fl_Table.cxx

@@ -736,7 +736,9 @@ int Fl_Table::handle(int event) {
   int _event_x      = Fl::event_x();
   int _event_y      = Fl::event_y();
   int _event_key    = Fl::event_key();
+#if FLTK_ABI_VERSION >= 10303
   int _event_state  = Fl::event_state();
+#endif
   Fl_Widget *_focus = Fl::focus();
   switch ( event ) {
     case FL_PUSH:
@@ -1029,15 +1031,15 @@ int Fl_Table::handle(int event) {
 	case FL_Tab:
 #if FLTK_ABI_VERSION >= 10303
 	  if ( !tab_cell_nav() ) break;		// not navigating cells? let fltk handle it (STR#2862)
-#else
-          break;				// without tab_cell_nav(), Fl_Table should default to navigating widgets, not cells
-#endif
 	  if ( _event_state & FL_SHIFT ) {
             ret = move_cursor(0, -1, 0);	// shift-tab -> left
 	  } else {
 	    ret = move_cursor(0, 1, 0);		// tab -> right
 	  }
           break;
+#else
+          break;				// without tab_cell_nav(), Fl_Table should default to navigating widgets, not cells
+#endif
       }
       if (ret && Fl::focus() != this) {
         do_callback(CONTEXT_TABLE, -1, -1);

src/Fl_Tabs.cxx

@@ -326,7 +326,6 @@ int Fl_Tabs::handle(int event) {
 	  }
 	}
         return 1;
-        break;
     }
     return Fl_Group::handle(event);
   case FL_SHORTCUT: