Bug fixed: infinite loop

Bug fixed: infinite loop

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 Changes to be committed:
	modified:   src/Objects/DataManip/mrcImage/src/lmrcImageFeatureCalc.c
	modified:   src/Tools/Config/Define.inc
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/Config/OptionControlFile
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/inc/mrcImageFeatureCalc.h
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/argCheck.c
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/init.c
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/mrcImageFeatureCalc.c
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/mrcImageFeatureCalc.html
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/mrcImageFeatureCalc.pane
	modified:   src/Tools/mrcImage/mrcImageFeatureCalc/src/usage.c