doing some find+sed cleanup

panels/Makefile

@@ -9,19 +9,19 @@ SRC_DIR=.
 EXE_DIR=../demo/exe
 
 EXES = \
-	${EXE_DIR}/panel_browse \
-	${EXE_DIR}/panel_hide \
-	${EXE_DIR}/panel_resize \
-	${EXE_DIR}/panel_simple
+    ${EXE_DIR}/panel_browse \
+    ${EXE_DIR}/panel_hide \
+    ${EXE_DIR}/panel_resize \
+    ${EXE_DIR}/panel_simple
 
 ${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}