Update examples/scp.c to fix bug where large files on win32 would cause got to wrap and go negative

example/scp.c

@@ -43,7 +43,7 @@ int main(int argc, char *argv[])
     const char *scppath="/tmp/TEST";
     libssh2_struct_stat fileinfo;
     int rc;
-    off_t got=0;
+    libssh2_struct_stat_size got = 0;
 
 #ifdef WIN32
     WSADATA wsadata;