Fix two places where we used #if (not #ifdef) on preprocessor variables.

git-svn-id: https://svn.dealii.org/trunk@4625 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/source/sparse_direct.cc b/deal.II/lac/source/sparse_direct.cc
index 11477ac46ecadfb0b5951e97675e586ae79c0900..b91f9cf41a60e86abef40b9e4cdfd960fa39bb7d 100644 (file)
--- a/deal.II/lac/source/sparse_direct.cc
+++ b/deal.II/lac/source/sparse_direct.cc
@@ -20,7 +20,7 @@
 // if we know that at least one of the HSL functions are there,
 // include the respective include file. Otherwise save some CPU cycles
 // in the compiler
-#if HAVE_HSL_MA27 || HAVE_HSL_MA47
+#if defined(HAVE_HSL_MA27) || defined(HAVE_HSL_MA47)
 #  include <hsl/hsl.h>
 #endif