Add missing licenses to TDEAboutData.LicenseKey

GPL_V3, LGPL_V3, and MIT.

Signed-off-by: mio <stigma@disroot.org>
(cherry picked from commit 7c91bff18e)

sip/tdecore/tdeaboutdata.sip

@@ -68,17 +68,20 @@ public:
 
     enum LicenseKey
     {
-        License_Custom, 
-        License_File, 
-        License_Unknown, 
-        License_GPL, 
-        License_GPL_V2, 
-        License_LGPL, 
-        License_LGPL_V2, 
-        License_BSD, 
-        License_Artistic, 
-        License_QPL, 
-        License_QPL_V1_0
+        License_Custom,
+        License_File,
+        License_Unknown,
+        License_GPL,
+        License_GPL_V2,
+        License_LGPL,
+        License_LGPL_V2,
+        License_BSD,
+        License_Artistic,
+        License_QPL,
+        License_QPL_V1_0,
+        License_GPL_V3,
+        License_LGPL_V3,
+        License_MIT
     };