FIX typo

OpenFOAM-v1612+/applications/solvers/incompressible/icoFoam/icoFoam.C

@@ -91,7 +91,7 @@ int main(int argc, char *argv[])
 
 	#ifdef WITHREADEX
 		//MERIC_MeasureStop(); //init
-		READEX_REAGION_STOP(init);
+		READEX_REGION_STOP(init);
 	#endif
 
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //