remove somewhat pointless conditional

if the user just set an empty spec, everything will go wrong anyway.

Change-Id: I5ddaa2f0be1be96132260af8c869ba38e02eb3d8
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

tools/configure/configureapp.cpp

@@ -442,8 +442,7 @@ void Configure::parseCmdLine()
             if (j == argCount)
                 break;
             dictionary["XQMAKESPEC"] = configCmdLine.at(j);
-            if (!dictionary[ "XQMAKESPEC" ].isEmpty())
-                applySpecSpecifics();
+            applySpecSpecifics();
             break;
         }
     }