Address 'may be used uninitialized' warnings
Making all in src
CC actions.o
actions.c: In function ‘wMaximizeWindow’:
actions.c:421:14: warning: ‘maximus_height’ may be used uninitialized in this function [-Wuninitialized]
actions.c:440:29: warning: ‘maximus_width’ may be used uninitialized in this function [-Wuninitialized]
actions.c:442:35: warning: ‘maximus_y’ may be used uninitialized in this function [-Wuninitialized]
actions.c:454:18: warning: ‘maximus_x’ may be used uninitialized in this function [-Wuninitialized]
CCLD wmaker
These warnings were harmless because they were at a point where
find_Maximus_geometry() had already been called. So let's simply initialize
them to zero to silence gcc.