ecore_con: fix structure declaration

Clang raised a massive amount of warnings due to the struct sockaddr_un
not being declared before using it. So, include the header that declares
this structure first.

src/lib/ecore_con/ecore_con.c

@@ -26,10 +26,6 @@
 # include <arpa/inet.h>
 #endif
 
-#ifdef HAVE_SYS_UN_H
-#include <sys/un.h>
-#endif
-
 #ifdef HAVE_SYSTEMD
 # include <systemd/sd-daemon.h>
 #endif

src/lib/ecore_con/ecore_con_private.h

@@ -18,6 +18,10 @@
 # include <openssl/ssl.h>
 #endif
 
+#ifdef HAVE_SYS_UN_H
+#include <sys/un.h>
+#endif
+
 #define READBUFSIZ 65536
 
 extern int _ecore_con_log_dom;