- First replacement of xyssl by polarssl where needed

diff --git a/programs/hash/hello.c b/programs/hash/hello.c
index 12e0167..f1e93ab 100644
--- a/programs/hash/hello.c
+++ b/programs/hash/hello.c
@@ -24,7 +24,7 @@
 
 #include <stdio.h>
 
-#include "xyssl/md5.h"
+#include "polarssl/md5.h"
 
 int main( void )
 {
diff --git a/programs/hash/md5sum.c b/programs/hash/md5sum.c
index 10e9a71..d246900 100644
--- a/programs/hash/md5sum.c
+++ b/programs/hash/md5sum.c
@@ -25,7 +25,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "xyssl/md5.h"
+#include "polarssl/md5.h"
 
 static int md5_wrapper( char *filename, unsigned char *sum )
 {
diff --git a/programs/hash/sha1sum.c b/programs/hash/sha1sum.c
index 33c3142..53a97d0 100644
--- a/programs/hash/sha1sum.c
+++ b/programs/hash/sha1sum.c
@@ -25,7 +25,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "xyssl/sha1.h"
+#include "polarssl/sha1.h"
 
 static int sha1_wrapper( char *filename, unsigned char *sum )
 {
diff --git a/programs/hash/sha2sum.c b/programs/hash/sha2sum.c
index c0d42a8..beb21cb 100644
--- a/programs/hash/sha2sum.c
+++ b/programs/hash/sha2sum.c
@@ -25,7 +25,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "xyssl/sha2.h"
+#include "polarssl/sha2.h"
 
 static int sha2_wrapper( char *filename, unsigned char *sum )
 {