add decorated names to astac

src/as/asDbLib.c

@@ -231,7 +231,7 @@ static void astacCallback(ASCLIENTPVT clientPvt,asClientStatus status)
 	(asCheckPut(clientPvt) ? "Yes" : "No"));
 }
 
-int astac(char *pname,char *user,char *location)
+int epicsShareAPI astac(char *pname,char *user,char *location)
 {
     DBADDR	*paddr;
     long	status;

src/as/asDbLib.h

@@ -40,5 +40,7 @@ epicsShareFunc int epicsShareAPI aspuag(char *uagname);
 epicsShareFunc int epicsShareAPI asphag(char *hagname);
 epicsShareFunc int epicsShareAPI asprules(char *asgname);
 epicsShareFunc int epicsShareAPI aspmem(char *asgname,int clients);
+epicsShareFunc int epicsShareAPI astac(
+    char *recordname,char *user,char *location);
 
 #endif /*INCdbAsLibh*/