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-rw-r--r--experimental/viewer.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/experimental/viewer.cc b/experimental/viewer.cc
index 723ef76..e9402be 100644
--- a/experimental/viewer.cc
+++ b/experimental/viewer.cc
@@ -183,7 +183,7 @@ bool gz_load(std::vector<char>* buf, const char* filename)
const char* get_file_data(size_t *len, const char* filename)
{
- char *ext = strrchr(filename, '.');
+ const char *ext = strrchr(filename, '.');
size_t data_len = 0;
const char* data = nullptr;