Changed arg to dbCaCallbackProcess() to make it match dbCaCallback.

Removed matching unnecessary casts in softDev support routines.

src/dev/softDev/devSoSoftCallback.c

@@ -57,7 +57,7 @@ static long write_stringout(stringoutRecord *prec)
     }
 
     status = dbCaPutLinkCallback(plink, DBR_STRING, &prec->val, 1,
-        (dbCaCallback)dbCaCallbackProcess, plink);
+        dbCaCallbackProcess, plink);
     if (status) {
         recGblSetSevr(prec, LINK_ALARM, INVALID_ALARM);
         return status;