Fix for whitespace buildstring

Makefile

@@ -5,13 +5,12 @@ PROJNAME = utils
 USRINCFLAGS = -I${INC_NEWMAT}
 USRLIBFLAGS = -L${LIB_NEWMAT}
 
-BUILDSTRING=\"Unknown\"
+BUILDSTRING="Unknown"
 ifeq (,$(wildcard $${FSLDIR}/etc/fslversion)) 
-   BUILDSTRING = \"$(shell cat ${FSLDIR}/etc/fslversion)\"
+   BUILDSTRING = "$(shell cat ${FSLDIR}/etc/fslversion)"
 endif
 
-USRCXXFLAGS = -DBUILDSTRING=${BUILDSTRING}
-
+USRCXXFLAGS = -DBUILDSTRING='${BUILDSTRING}'
 OptionsTestTarget = opttst
 OptionsTestObjects = opttst.o
 OptionsTestLibrarys = -lutils