curl-compilers: enable -Wbad-function-cast on GCC

This warning used to be enabled only for clang as it's a bit stricter
on GCC. Silence the remaining occurrences and enable it on GCC too.

Closes https://github.com/curl/curl/pull/2747

1 files changed, 2 insertions, 2 deletions

diff --git a/docs/examples/sslbackend.c b/docs/examples/sslbackend.c
index 1483dcc2e..c1489a9aa 100644
--- a/docs/examples/sslbackend.c
+++ b/docs/examples/sslbackend.c
@@ -57,9 +57,9 @@ int main(int argc, char **argv)
     return 0;
   }
   else if(isdigit(*name)) {
-    curl_sslbackend id = (curl_sslbackend)atoi(name);
+    int id = atoi(name);
 
-    result = curl_global_sslset(id, NULL, NULL);
+    result = curl_global_sslset((curl_sslbackend)id, NULL, NULL);
   }
   else
     result = curl_global_sslset(-1, name, NULL);