reverted some fixes to keep synced with private branch

git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@4676 19bc5d8c-e614-43d4-8b26-e1612bc8e597

TransceiverRAD1/sigProcLib.h

@@ -32,13 +32,13 @@
 using namespace GSM;
 
 /** Indicated signalVector symmetry */
-enum Symmetry {
+typedef enum Symmetry {
   NONE = 0,
   ABSSYM = 1
 };
 
 /** Convolution type indicator */
-enum ConvType {
+typedef enum ConvType {
   FULL_SPAN = 0,
   OVERLAP_ONLY = 1,
   START_ONLY = 2,