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-rw-r--r--eqn/shift.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/eqn/shift.c b/eqn/shift.c
index 666a9c07a21c..d86c0acfd298 100644
--- a/eqn/shift.c
+++ b/eqn/shift.c
@@ -35,7 +35,7 @@ bshiftb(int p1, int dir, int p2) {
#ifndef NEQN
float shval, d1, h1, b1, h2, b2;
float diffps, effps, effps2;
- char *sh1, *sh2;
+ const char *sh1, *sh2;
#else /* NEQN */
int shval, d1, h1, b1, h2, b2;
#endif /* NEQN */