Fix calling cholesky.sh on simgrid

examples/Makefile.am

@@ -316,12 +316,12 @@ TESTS += \
 
 endif
 
+endif
+
 if STARPU_SIMGRID
 TESTS += \
 	 cholesky/cholesky.sh
 endif
-
-endif
 endif
 
 if !STARPU_SIMGRID