Fix compilation on Unix with GLib 2.24 or older

src/common/dcc.c

@@ -69,6 +69,15 @@
 #define BIG_STR_TO_INT(x) strtoul(x,NULL,10)
 #endif
 
+/* This is practically copy-paste from gstdio.h.
+ * GStatBuf was added in 2.26. On Win32 we already use that,
+ * so we only gotta check this on Unix */
+#ifndef WIN32
+#if !GLIB_CHECK_VERSION(2,26,0)
+typedef struct stat GStatBuf;
+#endif
+#endif
+
 static char *dcctypes[] = { "SEND", "RECV", "CHAT", "CHAT" };
 
 struct dccstat_info dccstat[] = {