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-rw-r--r--ext/session/mod_mm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/session/mod_mm.c b/ext/session/mod_mm.c
index 7255165e32..c3e4d5ad06 100644
--- a/ext/session/mod_mm.c
+++ b/ext/session/mod_mm.c
@@ -77,7 +77,7 @@ static unsigned int ps_sd_hash(const char *data)
for (val = 0; *data; data++) {
val = (val << ONE_EIGTH) + *data;
if ((i = val & HIGH_BITS) != 0)
- val = (val ^ (i >> THREE_QUARTERS)) & -HIGH_BITS;
+ val = (val ^ (i >> THREE_QUARTERS)) & ~HIGH_BITS;
}
return val;