package/vlc: Fixes linking error with tremor due to wrong library name

Fixes
http://autobuild.buildroot.net/results/469/4693f5f3d362e74a55c8145dbe777606f5865ad5/
http://autobuild.buildroot.net/results/795/795744533dbf7076e88163fb35327da8c42819f1/
http://autobuild.buildroot.net/results/89d/89d9997fc76ad334ff7b7f2a28294c78c424a120/
http://autobuild.buildroot.net/results/57f/57f22c8623268d836e8b402e8c27d418b6fb7f72/
http://autobuild.buildroot.net/results/5f6/5f66a8a135c95624a14908c685f1201dd7f8ae87/



and many others

[Thomas: rename patch to respect patch numbering.]

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>