[wmx] patch for my dynamic config. of frame and tab colours

I recently noticed errors in the .xsession-errors file at start of wmx
and although they are harmless I patched my previous patch to eliminate
them.  There's also a fix for a potential buffer overflow due to
strncpy() property of not terminating the string if the string being
copied is longer than the specified buffer size.
Patch is sort of self-readable.

Chris, can you please commit this to CVS?

	Zvezdan Petkovic

--- Config.C.orig	Thu Aug 14 09:07:12 2003
+++ Config.C	Fri May 26 20:02:13 2006
@@ -151,9 +151,21 @@
 	    else if (OPTION("lower")) m_impl->rightBt = 2;
 	    else if (OPTION("toggleheight")) m_impl->rightBt = 4;
 	
-	if (OPTION("tabfg:")) strncpy(m_impl->tabfg, s, COLOR_LEN);
-	if (OPTION("tabbg:")) strncpy(m_impl->tabbg, s, COLOR_LEN);
-	if (OPTION("framebg:")) strncpy(m_impl->framebg, s, COLOR_LEN);
+	if (OPTION("tabfg:")) {
+	    strncpy(m_impl->tabfg, s, COLOR_LEN);
+	    m_impl->tabfg[COLOR_LEN-1] = '\0';	// prevent unterminated string
+	    s += strlen(m_impl->tabfg);		// avoid error message below
+	}
+	if (OPTION("tabbg:")) {
+	    strncpy(m_impl->tabbg, s, COLOR_LEN);
+	    m_impl->tabbg[COLOR_LEN-1] = '\0';
+	    s += strlen(m_impl->tabbg);
+	}
+	if (OPTION("framebg:")) {
+	    strncpy(m_impl->framebg, s, COLOR_LEN);
+	    m_impl->framebg[COLOR_LEN-1] = '\0';
+	    s += strlen(m_impl->framebg);
+	}
 
 	if (*s != '\0') {
 	    fprintf(stderr, "\nwmx: Dynamic configuration error: "