qt5webkit: fix typo in the <pkg>_DEPENDENCIES declaration
This commit fixes a typo introduced in commit
43e1d099b4fca37ce7cbbf3dd41fe4330610b723 ("Revert
"package/qt5webkit-examples: remove obsolete package""), which caused
qt5declarative to not be added as a dependency for the correct
package.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>