New colormap header file and remove unused functions

The functions related to colormap are moved from funcs.h to the new
file colormap.h. These files are included where needed.

The functions wColormapInstallRoot and wColormapUninstallRoot are
removed, because they are not used.

src/colormap.h

@@ -0,0 +1,27 @@
+/*
+ *  Window Maker window manager
+ *
+ *  Copyright (c) 2000-2003 Alfredo K. Kojima
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef WMCOLORMAP_H
+#define WMCOLORMAP_H
+
+void wColormapInstallForWindow(WScreen *scr, WWindow *wwin);
+void wColormapAllowClientInstallation(WScreen * scr, Bool starting);
+
+#endif /* WMCOLORMAP_H */