Fix minor code style issues
diff --git a/Makefile b/Makefile
index c18b99b..a0fcb2b 100644
--- a/Makefile
+++ b/Makefile
@@ -24,12 +24,12 @@
 install: no_test
 	mkdir -p $(DESTDIR)/include/mbedtls
 	cp -r include/mbedtls $(DESTDIR)/include
-	
+
 	mkdir -p $(DESTDIR)/lib
 	cp -RP library/libmbedtls.*    $(DESTDIR)/lib
 	cp -RP library/libmbedx509.*   $(DESTDIR)/lib
 	cp -RP library/libmbedcrypto.* $(DESTDIR)/lib
-	
+
 	mkdir -p $(DESTDIR)/bin
 	for p in programs/*/* ; do              \
 	    if [ -x $$p ] && [ ! -d $$p ] ;     \
@@ -44,7 +44,7 @@
 	rm -f $(DESTDIR)/lib/libmbedtls.*
 	rm -f $(DESTDIR)/lib/libmbedx509.*
 	rm -f $(DESTDIR)/lib/libmbedcrypto.*
-	
+
 	for p in programs/*/* ; do              \
 	    if [ -x $$p ] && [ ! -d $$p ] ;     \
 	    then                                \