Merge source cleanups (bug #1911)

ast_expr.y

channels/chan_alsa.c

channels/chan_h323.c

channels/chan_iax2.c

channels/h323/ast_h323.cpp

channels/h323/ast_h323.h

channels/h323/chan_h323.h

codecs/gsm/inc/config.h

codecs/lpc10/analys.c

codecs/lpc10/bsynz.c

codecs/lpc10/chanwr.c

codecs/lpc10/dcbias.c

codecs/lpc10/decode.c

codecs/lpc10/deemp.c

codecs/lpc10/difmag.c

codecs/lpc10/dyptrk.c

codecs/lpc10/encode.c

codecs/lpc10/energy.c

codecs/lpc10/f2c.h

codecs/lpc10/ham84.c