CID 3037: missing return after deleting itself.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40276 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/tracker/zipomatic/GenericThread.cpp

@@ -59,6 +59,7 @@ GenericThread::ThreadFunction()
 			}
 			
 			delete this;
+			return B_OK;
 		}
 
 		BeginUnit();

src/apps/expander/GenericThread.cpp

@@ -52,6 +52,7 @@ GenericThread::ThreadFunction(void)
 			}
 
 			delete this;		// destructor
+			return B_OK;
 		}
 
 		BeginUnit();