fixed library compilation

programs/zstdcli.c

@@ -163,7 +163,7 @@ static void waitEnter(void)
 }
 
 
-int main(int argc, char** argv)
+int main(int argCount, const char** argv)
 {
     int i,
         bench=0,
@@ -196,9 +196,9 @@ int main(int argc, char** argv)
         decode=1;
 
     /* command switches */
-    for(i=1; i<argc; i++)
+    for(i=1; i<argCount; i++)
     {
-        char* argument = argv[i];
+        const char* argument = argv[i];
 
         if(!argument) continue;   /* Protection if argument empty */
 
@@ -311,7 +311,7 @@ int main(int argc, char** argv)
         }
 
         /* first provided filename is input */
-        if (!inFileName) { inFileName = argument; fileNameStart = i; nbFiles = argc-i; continue; }
+        if (!inFileName) { inFileName = argument; fileNameStart = i; nbFiles = argCount-i; continue; }
 
         /* second provided filename is output */
         if (!outFileName)