Fix capitalization

Author: nyalldawson

src/ui/qgsmapunitscalewidgetbase.ui

@@ -24,7 +24,7 @@
    <item row="0" column="0" colspan="2">
     <widget class="QGroupBox" name="groupBox">
      <property name="title">
-      <string>Scale range</string>
+      <string>Scale Range</string>
      </property>
      <layout class="QGridLayout" name="gridLayout_2">
       <item row="1" column="1">
@@ -96,7 +96,7 @@
    <item row="3" column="0" colspan="2">
     <widget class="QGroupBox" name="groupBox_2">
      <property name="title">
-      <string>Size range</string>
+      <string>Size Range</string>
      </property>
      <layout class="QGridLayout" name="gridLayout_3">
       <item row="1" column="0">