save -e960 MISRA 2004 Rule 19.6: Use of '#undef' is discouraged

Used when #undef has to used to control compilation.

  EWL_C/include/ansi_parms.h Line: 456
  EWL_C/src/arm/ctype_aeabi.c Line: 11
  EWL_C/src/arm/math_ARM.c Line: 13
  EWL_C/src/bsearch.c Line: 16
  EWL_C/src/mbstring.c Line: 29
  EWL_C/src/mem.c Line: 21
  EWL_C/src/printf.c Line: 35
  EWL_C/src/qsort.c Line: 56
  EWL_C/src/scanf.c Line: 23
  EWL_C/src/secure_error.c Line: 9
  EWL_C/src/string.c Line: 44
  EWL_C/src/time.c Line: 30
  EWL_C/src/wmem.c Line: 21
  EWL_C/src/wprintf.c Line: 29
  EWL_C/src/wscanf.c Line: 26
  EWL_C/src/wstring.c Line: 38