Merge changes committed to R3.14 branch since April.

src/ca/cac.h

@@ -266,8 +266,8 @@ private:
     // **** lock hierarchy ****
     // 1) callback lock must always be acquired before
     // the primary mutex if both locks are needed
-    mutable epicsMutex & mutex; 
-    mutable epicsMutex & cbMutex; 
+    epicsMutex & mutex;
+    epicsMutex & cbMutex;
     epicsEvent iiuUninstall;
     ipAddrToAsciiEngine & ipToAEngine;
     epicsTimerQueueActive & timerQueue;

src/ca/udpiiu.h

@@ -149,8 +149,8 @@ private:
     double rtteMean;
     double rtteMeanDev;
     cac & cacRef;
-    mutable epicsMutex & cbMutex;
-    mutable epicsMutex & cacMutex;
+    epicsMutex & cbMutex;
+    epicsMutex & cacMutex;
     epics_auto_ptr < epics_auto_ptr < class searchTimer >, eapt_array > ppSearchTmr;
     unsigned nBytesInXmitBuf;
     unsigned nTimers;