added missing const

diff --git a/src/pdf2swf.c b/src/pdf2swf.c
index 748cdf4..6e1c096 100644 (file)
--- a/src/pdf2swf.c
+++ b/src/pdf2swf.c
@@ -669,7 +669,7 @@ int main(int argn, char *argv[])
 
     pdf->destroy(pdf);
 
-    char*zip = "";
+    const char*zip = "";
     if(zlib) {
        zip = "-z";
     }