[glib] gresource-tool: Fix an FD leak in an error path

[Philip Withnall <pwithnall src gnome org>]

commit 60e459b196947c9c9aaa6fd14ca682ddf9f7a492
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Thu May 15 10:18:38 2014 +0100

    gresource-tool: Fix an FD leak in an error path
    
    Coverity issues: #1214054, #1214055, #1214056

 gio/gresource-tool.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/gio/gresource-tool.c b/gio/gresource-tool.c
index f751f50..634a83a 100644
--- a/gio/gresource-tool.c
+++ b/gio/gresource-tool.c
@@ -151,10 +151,18 @@ get_elf (const gchar *file,
 
   elf = elf_begin (*fd, ELF_C_READ, NULL);
   if (elf == NULL)
-    return NULL;
+    {
+      g_close (*fd, NULL);
+      *fd = -1;
+      return NULL;
+    }
 
   if (elf_kind (elf) != ELF_K_ELF)
-    return NULL;
+    {
+      g_close (*fd, NULL);
+      *fd = -1;
+      return NULL;
+    }
 
   return elf;
 }