* as/hc08/lkaomf51.c (OutputName): made name unsigned char,

* as/hc08/lkaomf51.c (OutputName): made name unsigned char,
  (hex2dec): made hex_digit unsigned char, removed ascii dependance
* as/mcs51/lkaomf51.c (OutputName): made name unsigned char,
  (hex2dec): made hex_digit unsigned char, removed ascii dependance
* as/mcs51/lkarea.c (lnkarea2): sort absolute areas to the front
* packihx/packihx.c (hexDigit): made c unsigned char
* as/mcs51/lklibr.c (fndsym),
* link/z80/lkgb.c (gb),
* link/z80/lklibr.c (fndsym),
* link/z80/lkrloc.c (relr),
* sim/ucsim/libltdl/ltdl.c (load_deplibs, try_dlopen),
* src/SDCC.lex (checkCurrFile, process_pragma),
* src/SDCCglue.c (spacesToUnderscores),
* src/SDCCmain.c (setParseWithComma, processFile),
* src/asm.c (tvsprintf, printCLine),
* src/avr/gen.c (emitcode, aopPut),
* src/ds390/gen.c (emitcode),
* src/hc08/gen.c (emitcode, emitinline),
* src/mcs51/gen.c (emitcode, genInline),
* src/pic/pcodepeep.c (cvt_extract_destination, cvt_extract_status,
  tokenizeLineNode),
* src/pic/ralloc.c (debugLog),
* src/pic16/pcodepeep.c (cvt_extract_destination, cvt_extract_status,
  tokenizeLineNode),
* src/pic16/ralloc.c (debugLog),
* src/z80/main.c (_process_pragma):
   made all ctype.h function calls safe
* src/SDCCopt.c: include math.h for fabs
* src/SDCCpeeph.c: added macros ISCHARDIGIT, ISCHARSPACE and ISCHARALNUM
  and used them throughout the code to make ctype.h function calls safe
* src/ds390/main.c (asmLineNodeFromLineNode),
* src/mcs51/main.c (asmLineNodeFromLineNode): made p unsigned char*
* src/pic/gen.c (DEBUGpic14_emitcode, pic14_emitcode): made lbp
   unsigned char*
* src/pic/pcode.c (mnem2key): made mnem unsigned char*,
  (newpCodeAsmDir): made ctype.h function calls safe
* src/pic16/gen.c (pic16_emitpcomment, DEBUGpic16_emitcode,
  pic16_emitcode):  made lbp unsigned char*
* src/pic16/pcode.c (mnem2key): made mnem unsigned char*,
  (pic16_newpCodeAsmDir): made ctype.h function calls safe
* src/xa51/gen.c (emitcode),
* src/z80/gen.c (_emit2): made lbp unsigned char*
* support/Util/MySystem.c (split_command): made cmd_line and p unsigned
   char*

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3888 4a8a32a2-be11-0410-ad9d-d568d2c75423