obexd: Fix memory leak when loading plugins
On failure to open plugin directory, memory allocated to 'patterns'
and 'excludes' is not being freed, and the following memory leak is
logged:
Direct leak of 28 byte(s) in 1 object(s) allocated from:
#0 0xb6aa1c49 in malloc (/usr/lib/liblsan.so+0x9c49)
#1 0xb6976e89 in g_malloc (/lib/libglib-2.0.so.0+0x3ae89)
#2 0xb69886f1 in g_strsplit_set (/lib/libglib-2.0.so.0+0x4c6f1)
#3 0xb6f82f3b in plugin_init (/usr/libexec/bluetooth/obexd+0x20f3b)
#4 0xb6f70dc9 in main (/usr/libexec/bluetooth/obexd+0xedc9)
1 file changed
