Major cleanup; mostly reformatting.

Include expr.h.
Undefine inline ifndef __GNUC__; never define to include static.
Add "static" to header of all inlined functions.
Add declarations for all static functions, with prototypes.
(addr_const_to_string): Use HOST_WIDE_INT_PRINT_* macros.
(add_AT_*, new_{die,loc_descr,cfi): Don't check for xmalloc returning zero.
(modified_type_die): Add missing parm on recursive call.
({reg,based}_loc_descriptor): Add missing arg to call to new_loc_descr.
(add_const_value_attribute): Use REAL_VALUE_TYPE for fp calculations.
(output_call_frame_info): Add missing arg to output_cfi call.
(dwarf2out_def_cfa): Local variable OLD_REG must be unsigned long.

From-SVN: r13940