Fixed a surprising number of example programs that were passing int arguments

to curl_easy_setopt instead of long.

docs/examples/ftpupload.c

@@ -9,6 +9,7 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 
 #include <curl/curl.h>
 #include <sys/types.h>
@@ -83,7 +84,7 @@ int main(int argc, char **argv)
     curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
 
     /* enable uploading */
-    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1) ;
+    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
 
     /* specify target */
     curl_easy_setopt(curl,CURLOPT_URL, REMOTE_URL);