vcl: rename DESKTOP_KDE to DESKTOP_KDE3

Change-Id: Ie9d4d339f0fe3248a7fd7f790adcb89e660d34ec

vcl/inc/unx/desktops.hxx

@@ -32,7 +32,7 @@ enum SAL_DLLPUBLIC_RTTI DesktopType {
     DESKTOP_XFCE,
     DESKTOP_MATE,
     DESKTOP_TDE,
-    DESKTOP_KDE,
+    DESKTOP_KDE3,
     DESKTOP_KDE4,
     DESKTOP_KDE5
 }; // keep in sync with desktop_strings[] in salplug.cxx

vcl/unx/generic/desktopdetect/desktopdetector.cxx

@@ -316,7 +316,7 @@ DESKTOP_DETECTOR_PUBLIC DesktopType get_desktop_environment()
         if ( aOver.equalsIgnoreAsciiCase( "mate" ) )
             return DESKTOP_MATE;
         if ( aOver.equalsIgnoreAsciiCase( "kde" ) )
-            return DESKTOP_KDE;
+            return DESKTOP_KDE3;
         if ( aOver.equalsIgnoreAsciiCase( "none" ) )
             return DESKTOP_UNKNOWN;
     }
@@ -401,7 +401,7 @@ DESKTOP_DETECTOR_PUBLIC DesktopType get_desktop_environment()
         else if ( is_gnome_desktop( pDisplay ) )
             ret = DESKTOP_GNOME;
         else if ( is_kde_desktop( pDisplay ) )
-            ret = DESKTOP_KDE;
+            ret = DESKTOP_KDE3;
         else if ( is_tde_desktop( pDisplay ) )
             ret = DESKTOP_TDE;
         else

vcl/unx/generic/plugadapt/salplug.cxx

@@ -212,7 +212,7 @@ static SalInstance* autodetect_plugin()
         pList = pStandardFallbackList;
     else if( desktop == DESKTOP_TDE )
         pList = pTDEFallbackList;
-    else if( desktop == DESKTOP_KDE )
+    else if( desktop == DESKTOP_KDE3 )
     {
         pList = pKDEFallbackList;
         nListEntry = 1;