rfbRegisterProtocolExtension extMutex was never initialized.

ChangeLog

@@ -1,3 +1,7 @@
+2006-01-05  Karl Runge <runge@karlrunge.com>
+	* libvncserver/main.c: rfbRegisterProtocolExtension extMutex was
+	  never initialized.
+
 2005-12-24  Karl Runge <runge@karlrunge.com>
 	* x11vnc: enhance -passwdfile features, filetransfer on by default.
 

libvncserver/main.c

@@ -61,6 +61,12 @@ void
 rfbRegisterProtocolExtension(rfbProtocolExtension* extension)
 {
 	rfbProtocolExtension* last;
+	static extMutex_initialized = 0;
+
+	if (! extMutex_initialized) {
+		INIT_MUTEX(extMutex);
+		extMutex_initialized = 1;
+	}
 
 	LOCK(extMutex);
 	last = extension;