Add missing node-dev-free.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/libvirt?expand=0&rev=32

node-dev-free.patch

@@ -0,0 +1,29 @@
+This invalid free results in heap corruption. Some symptoms I saw
+because of this were libvirtd crashing and virt-manager hanging
+while trying to enumerate devices.
+---
+ src/node_device/node_device_driver.c |    4 ++--
+ 1 files changed, 2 insertions(+), 2 deletions(-)
+
+Index: libvirt-0.7.5/src/node_device/node_device_driver.c
+===================================================================
+--- libvirt-0.7.5.orig/src/node_device/node_device_driver.c
++++ libvirt-0.7.5/src/node_device/node_device_driver.c
+@@ -78,7 +78,7 @@ static int update_driver_name(virConnect
+                               virNodeDeviceObjPtr dev)
+ {
+     char *driver_link = NULL;
+-    char *devpath;
++    char *devpath = NULL;
+     char *p;
+     int ret = -1;
+ 
+@@ -114,7 +114,7 @@ static int update_driver_name(virConnect
+ 
+ cleanup:
+     VIR_FREE(driver_link);
+-    free(devpath);
++    VIR_FREE(devpath);
+     return ret;
+ }
+ #else