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Diffstat (limited to 'gnuradio-core/src/lib/general/gri_fft.cc')
-rw-r--r--gnuradio-core/src/lib/general/gri_fft.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnuradio-core/src/lib/general/gri_fft.cc b/gnuradio-core/src/lib/general/gri_fft.cc
index f6e28e1d1..509420d8a 100644
--- a/gnuradio-core/src/lib/general/gri_fft.cc
+++ b/gnuradio-core/src/lib/general/gri_fft.cc
@@ -37,7 +37,7 @@ static boost::mutex s_planning_mutex;
static char *
wisdom_filename ()
{
- static char *filename = ".gr_fftw_wisdom";
+ static const char *filename = ".gr_fftw_wisdom";
char *home = getenv ("HOME");
if (home){