Make GetPass() return a CString instead of a char*

In theory this could lead to extra copies of the password in memory, but since
no caller actually makes sure that those passwords are forgotten as fast as
possible, I don't see why this should be done the Old Way(tm).


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1343 726aef4b-f618-498e-8847-2d620e286838

Utils.cpp

@@ -210,7 +210,7 @@ CString CUtils::SaltedHash(const CString& sPass, const CString& sSalt) {
 	return CString(sPass + sSalt).MD5();
 }
 
-char* CUtils::GetPass(const CString& sPrompt) {
+CString CUtils::GetPass(const CString& sPrompt) {
 	PrintPrompt(sPrompt);
 	return getpass("");
 }