Fix some startup error messages

We should *never* use exit(0); on error and it doesn't hurt if our error
messages use a similar wording.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1585 726aef4b-f618-498e-8847-2d620e286838

znc.cpp

@@ -27,7 +27,7 @@ namespace
 
 CZNC::CZNC() {
 	if (!InitCsocket()) {
-		CUtils::PrintError("Failed to initialize Csocket!");
+		CUtils::PrintError("Could not initialize Csocket!");
 		exit(-1);
 	}