1 files changed, 2 insertions, 2 deletions

diff --git a/src/common/unzip.c b/src/common/unzip.c
index 0b002e7..6d2315f 100644
--- a/src/common/unzip.c
+++ b/src/common/unzip.c
@@ -248,8 +248,8 @@ strcmpcasenosensitive_internal (const char* fileName1,
 {
   while (1)
     {
-      const char c1=*(fileName1++);
-      const char c2=*(fileName2++);
+      char c1=*(fileName1++);
+      char c2=*(fileName2++);
       if ((c1>='a') && (c1<='z'))
         c1 -= 0x20;
       if ((c2>='a') && (c2<='z'))