vala: Fix a typo in the build rule
vala: Fix a typo in the build rule

Pecisk/libgdata,Pecisk/libgdata,Distrotech/libgdata,Distrotech/libgdata,Pecisk/libgdata-gtasks,GNOME/libgdata,pwithnall/libgdata,Pecisk/libgdata,Pecisk/libgdata-gtasks,Distrotech/libgdata,Pecisk/libgdata-gtasks,pwithnall/libgdata