gdb: add some more empty lines in loc.c
    
    Add some empty lines at places I forgot in the previous patch.
    
    gdb/ChangeLog:
    
    	* dwarf2/loc.c (decode_debug_loclists_addresses): Add empty
    	lines.
    
    Change-Id: I8a9f3766ede1ce750e0703023285dca873bce0da