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-rw-r--r--lib/profile/GCDAProfiling.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/profile/GCDAProfiling.c b/lib/profile/GCDAProfiling.c
index 5e32fc47f..f5c647c77 100644
--- a/lib/profile/GCDAProfiling.c
+++ b/lib/profile/GCDAProfiling.c
@@ -79,7 +79,7 @@ static FILE *output_file = NULL;
* Buffer that we write things into.
*/
#define WRITE_BUFFER_SIZE (128 * 1024)
-static char *write_buffer = NULL;
+static unsigned char *write_buffer = NULL;
static uint64_t cur_buffer_size = 0;
static uint64_t cur_pos = 0;
static uint64_t file_size = 0;