[glib] glocalfileinfo: Fix a leak on an error handling path

[Philip Withnall <pwithnall src gnome org>]

commit 9ab0073321c3feaf2584e41701092117a6fb9a1c
Author: Philip Withnall <withnall endlessm com>
Date:   Fri Nov 17 14:39:55 2017 +0000

    glocalfileinfo: Fix a leak on an error handling path
    
    Spotted by Clang static analysis, thanks to Leslie Zhai.
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777075

 gio/glocalfileinfo.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gio/glocalfileinfo.c b/gio/glocalfileinfo.c
index fad80d3..f0c99df 100644
--- a/gio/glocalfileinfo.c
+++ b/gio/glocalfileinfo.c
@@ -657,7 +657,10 @@ get_xattrs_from_fd (int                    fd,
        }
 
       if (list_res_size == -1)
-       return;
+        {
+          g_free (list);
+          return;
+        }
 
       attr = list;
       while (list_res_size > 0)