Fix version string in Windows and Mac installers

Fixes some typos that cause gitian to fail to make the installers.

share/qt/Info.plist.in

@@ -17,7 +17,7 @@
   <string>APPL</string>
 
   <key>NSHumanReadableCopyright</key>
-  <string>@CLIENT_VERSION_MAJOR@.@CLIENT_VERSION_MINOR@.@.@CLIENT_VERSION_BUILD@, Copyright © 2009-@COPYRIGHT_YEAR@ @COPYRIGHT_HOLDERS_FINAL@</string>
+  <string>@CLIENT_VERSION_MAJOR@.@CLIENT_VERSION_MINOR@.@CLIENT_VERSION_BUILD@, Copyright © 2009-@COPYRIGHT_YEAR@ @COPYRIGHT_HOLDERS_FINAL@</string>
 
   <key>CFBundleShortVersionString</key>
   <string>@CLIENT_VERSION_MAJOR@.@CLIENT_VERSION_MINOR@.@CLIENT_VERSION_BUILD@</string>

share/setup.nsi.in

@@ -56,7 +56,7 @@ CRCCheck on
 XPStyle on
 BrandingText " "
 ShowInstDetails show
-VIProductVersion @CLIENT_VERSION_MAJOR@.@CLIENT_VERSION_MINOR@.@.@CLIENT_VERSION_BUILD@
+VIProductVersion @CLIENT_VERSION_MAJOR@.@CLIENT_VERSION_MINOR@.@CLIENT_VERSION_BUILD@.0
 VIAddVersionKey ProductName "@PACKAGE_NAME@"
 VIAddVersionKey ProductVersion "@PACKAGE_VERSION@"
 VIAddVersionKey CompanyName "${COMPANY}"