* configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wcast-qual.
	* configure, config.in: Regenerate.

	* decContext.c (decContextStatusToString): Constify.
	* decContext.h (decContextStatusToString): Likewise.
	* decNumber.c (decNumberToString, decNumberToEngString,
	decNumberAbs, decNumberAdd, decNumberCompare, decNumberDivide,
	decNumberDivideInteger, decNumberMax, decNumberMin,
	decNumberMinus, decNumberPlus, decNumberMultiply,
	decNumberNormalize, decNumberQuantize, decNumberRescale,
	 decNumberRemainder, decNumberRemainderNear,
	decNumberSameQuantum, decNumberSquareRoot, decNumberSubtract,
	decNumberToIntegralValue, decNumberCopy, decToString, decAddOp,
	decDivideOp, decMultiplyOp, decQuantizeOp, decCompareOp,
	decCompare, decUnitCompare, decUnitAddSub, decRoundOperand,
	decCopyFit, decSetCoeff, decGetInt, decNaNs, decGetDigits,
	decNumberShow, decDumpAr, decCheckOperands, decCheckNumber):
	Likewise.
	* decNumber.h (decNumberToString, decNumberToEngString,
	decNumberAbs, decNumberAdd, decNumberCompare, decNumberDivide,
	decNumberDivideInteger, decNumberMax, decNumberMin,
	decNumberMinus, decNumberMultiply, decNumberNormalize,
	decNumberPlus, decNumberQuantize, decNumberRemainder,
	 decNumberRemainderNear, decNumberRescale,
	decNumberSameQuantum, decNumberSquareRoot, decNumberSubtract,
	decNumberToIntegralValue, decNumberCopy): Likewise.
	* decUtility.c (decDensePackCoeff, decDenseUnpackCoeff):
	Likewise.
	* decUtility.h (decDensePackCoeff, decDenseUnpackCoeff):
	Likewise.
	* decimal128.c (decimal128FromNumber, decimal128ToNumber,
	decimal128ToString, decimal128ToEngString, decimal128Show):
	Likewise.
	* decimal128.h (decimal128ToString, decimal128ToEngString,
	decimal128FromNumber, decimal128ToNumber): Likewise.
	* decimal32.c (decimal32FromNumber, decimal32ToNumber,
	decimal32ToString, decimal32ToEngString, decimal32Show):
	Likewise.
	* decimal32.h (decimal32ToString, decimal32ToEngString,
	decimal32FromNumber, decimal32ToNumber): Likewise.
	* decimal64.c (decimal64FromNumber, decimal64ToNumber,
	decimal64ToString, decimal64ToEngString, decimal64Show):
	Likewise.
	* decimal64.h (decimal64ToString, decimal64ToEngString,
	decimal64FromNumber, decimal64ToNumber): Likewise.

From-SVN: r116738