[cleanup] correct variable for PTHREAD

config.h.cmake

@@ -46,15 +46,18 @@
 /* Define if we have zoltan */
 #cmakedefine HAVE_ZOLTAN 1
 
-/* Define if we have thread local storage */
-#cmakedefine HAVE_PTHREAD_TLS 1
-
 /* Define if we have ZLIB */
 #cmakedefine HAVE_ZLIB 1
 
 /* Include source file for dlmalloc */
 #cmakedefine DLMALLOC_SOURCE_INCLUDE ${DLMALLOC_SOURCE_INCLUDE}
 
+/* Define if we have thread local storage */
+#cmakedefine HAVE_PTHREAD_TLS 1
+
+/* Define if we have pthreads */
+#cmakedefine HAVE_PTHREAD 1
+
 /* Grid type magic for DGF parser */
 @ALUGRID_CONFIG_H_BOTTOM@
 /* end dune-alugrid */