Revert "doing some find+sed cleanup"

This reverts commit f4c7e129df.

JustForFun/Makefile

@@ -9,20 +9,20 @@ SRC_DIR=.
 EXE_DIR=../demo/exe
 
 EXES = \
-    ${EXE_DIR}/hanoi \
-    ${EXE_DIR}/life\
-    ${EXE_DIR}/magic \
-    ${EXE_DIR}/queens \
-    ${EXE_DIR}/shuffle \
-    ${EXE_DIR}/tt
+	${EXE_DIR}/hanoi \
+	${EXE_DIR}/life\
+	${EXE_DIR}/magic \
+	${EXE_DIR}/queens \
+	${EXE_DIR}/shuffle \
+	${EXE_DIR}/tt
 
 ${EXE_DIR}/%: %.o
-    ${CC} -o $@ $< ${LIBS}
+	${CC} -o $@ $< ${LIBS}
 
 %.o: ${SRC_DIR}/%.c
-    ${CC} -o $@ -c $<
+	${CC} -o $@ -c $<
 
 all:    ${EXES}
 
 clean:
-    @rm -f ${EXES}
+	@rm -f ${EXES}