Add an Init stat to all thread control variables

This makes the uninitilized value not the Run state.

src/db/dbCa.c

@@ -59,8 +59,8 @@ static epicsEventId workListEvent; /*wakeup event for dbCaTask*/
 static int removesOutstanding = 0;
 #define removesOutstandingWarning 10000
 
-static enum {
-    ctlRun, ctlPause, ctlExit
+static volatile enum {
+    ctlInit, ctlRun, ctlPause, ctlExit
 } dbCaCtl;
 static epicsEventId startStopEvent;
 

src/db/dbScan.c

@@ -50,12 +50,12 @@
 
 
 /* Task Control */
-enum ctl {ctlRun, ctlPause, ctlExit};
+enum ctl {ctlInit, ctlRun, ctlPause, ctlExit};
 
 /* Task Startup/Shutdown Synchronization */
 static epicsEventId startStopEvent;
 
-volatile enum ctl scanCtl;
+static volatile enum ctl scanCtl;
 
 /* SCAN ONCE */