Fix potential heap corruption

cmb69 · cmb69 · commit c10d3d3a35b5 · 2019-10-12T16:16:14.000+02:00
`tmp` is allocated by `malloc()`, so we must not `LocalFree()` it.
diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
@@ -659,7 +659,7 @@ char *sockets_strerror(int error) /* {{{ */
 			}
 
 			SOCKETS_G(strerror_buf) = estrdup(tmp);
-			LocalFree(tmp);
+			free(tmp);
 
 			buf = SOCKETS_G(strerror_buf);
 		}

Original file line number	Diff line number	Diff line change
`@@ -659,7 +659,7 @@ char sockets_strerror(int error) / {{{ */`
`659`	`659`	`}`
`660`	`660`
`661`	`661`	`SOCKETS_G(strerror_buf) = estrdup(tmp);`
`662`		`- LocalFree(tmp);`
	`662`	`+ free(tmp);`
`663`	`663`
`664`	`664`	`buf = SOCKETS_G(strerror_buf);`
`665`	`665`	`}`