Fix patch name mismatch

Change-Id: I683c64819c8d4558df37080cc854345ae76e395d
diff --git a/debian/patches/0002-1.15-1-glimagesink.patch b/debian/patches/0002-1.15.1-glimagesink.patch
similarity index 100%
rename from debian/patches/0002-1.15-1-glimagesink.patch
rename to debian/patches/0002-1.15.1-glimagesink.patch