Fix ui build warnings

Author: nyalldawson

src/ui/qgsexpressionbuilder.ui

@@ -74,7 +74,7 @@
          <widget class="QWidget" name="layoutWidget_1">
           <layout class="QVBoxLayout" name="verticalLayout">
            <item>
-            <widget class="QFrame" name="frame">
+            <widget class="QFrame" name="frame1">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                <horstretch>0</horstretch>

src/ui/qgsgdalsourceselectbase.ui

@@ -37,7 +37,7 @@
       <property name="title">
        <string>Source type</string>
       </property>
-      <layout class="QHBoxLayout" name="horizontalLayout">
+      <layout class="QHBoxLayout" name="horizontalLayout1">
        <item>
         <widget class="QRadioButton" name="radioSrcFile">
          <property name="text">
@@ -110,7 +110,7 @@
       <property name="title">
        <string>Protocol</string>
       </property>
-      <layout class="QGridLayout" name="gridLayout_2">
+      <layout class="QGridLayout" name="gridLayout_21">
        <item row="0" column="1">
         <widget class="QComboBox" name="cmbProtocolTypes"/>
        </item>

src/ui/qgsoptionsbase.ui

@@ -3037,7 +3037,7 @@
                      </widget>
                     </item>
                     <item>
-                     <spacer name="horizontalSpacer_39">
+                     <spacer name="horizontalSpacer_391">
                       <property name="orientation">
                        <enum>Qt::Horizontal</enum>
                       </property>
@@ -3078,7 +3078,7 @@
                  <property name="title">
                   <string>Map Tips</string>
                  </property>
-                 <layout class="QHBoxLayout" name="horizontalLayout_22">
+                 <layout class="QHBoxLayout" name="horizontalLayout_221">
                   <item>
                    <widget class="QLabel" name="textLabel1_16">
                     <property name="sizePolicy">