Replace Q_SIGNALS and Q_SLOTS

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit f313bacc0f)

src/otrprefs.ui

@@ -264,9 +264,9 @@
         </widget>
     </grid>
 </widget>
-<Q_SLOTS>
+<slots>
     <slot access="private">generateFingerprint()</slot>
-</Q_SLOTS>
+</slots>
 <layoutdefaults spacing="6" margin="11"/>
 <includes>
     <include location="global" impldecl="in implementation">kactivelabel.h</include>

src/smppopupui.ui

@@ -162,12 +162,12 @@
         <slot>manualAuth()</slot>
     </connection>
 </connections>
-<Q_SLOTS>
+<slots>
     <slot>manualAuth()</slot>
     <slot>respondSMP()</slot>
     <slot>openHelp()</slot>
     <slot>cancelSMP()</slot>
-</Q_SLOTS>
+</slots>
 <layoutdefaults spacing="6" margin="11"/>
 <includes>
     <include location="global" impldecl="in implementation">klineedit.h</include>

src/verifypopupui.ui

@@ -97,9 +97,9 @@
         <slot>close()</slot>
     </connection>
 </connections>
-<Q_SLOTS>
+<slots>
     <slot>cbChanged()</slot>
-</Q_SLOTS>
+</slots>
 <layoutdefaults spacing="6" margin="11"/>
 <includes>
     <include location="global" impldecl="in implementation">kactivelabel.h</include>