cppCheck: Variable is reassigned a value before the old one has been used.

Change-Id: I42cfb06dd8b6b0ff7d4fec6e3b296fa61302c1c0
Signed-off-by: jailletc36 <christophe.jaillet@wanadoo.fr>
Reviewed-on: https://gerrit.libreoffice.org/2014Tested-by: Tomáš Chvátal <tchvatal@suse.cz>
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>

extensions/source/plugin/win/winmgr.cxx

@@ -160,7 +160,7 @@ static void add_IE_Plugins( PluginLocationMap & rPlugins )
 static void add_NS_keys( HKEY hKey, PluginLocationMap & rPlugins )
 {
     TCHAR value[MAX_PATH];
-    DWORD dwType, size = sizeof(value);
+    DWORD dwType, size;
 
     // 4.7
     size = sizeof(value);
@@ -219,7 +219,7 @@ static void add_NS_lookupRecursive( HKEY hKey, PluginLocationMap & rPlugins )
 static void add_MozPlugin( HKEY hKey, PluginLocationMap & rPlugins )
 {
     TCHAR value[MAX_PATH];
-    DWORD dwType, size = sizeof(value);
+    DWORD dwType, size;
 
     size = sizeof(value);
     if (::RegQueryValueEx(