fix linux build

share/debian-7_8.supp

@@ -1,3 +1,13 @@
+{
+   strcpy.S:197
+   Memcheck:Cond
+   obj:/lib/x86_64-linux-gnu/libc-2.13.so
+}
+{
+   strcpy.S:1106
+   Memcheck:Value8
+   obj:/lib/x86_64-linux-gnu/libc-2.13.so
+}
 {
    stpncpy sse3
    Memcheck:Cond

share/ubuntu-12_04.supp

@@ -1,3 +1,8 @@
+{
+   stpncpy in strcpy-sse2-unaligned.S:1659
+   Memcheck:Value8
+   fun:__stpncpy_sse2_unaligned
+}
 # old zlib version
 {
    zlib1g-dev-1:1.2.3.4.dfsg

src/util/password.c

@@ -75,7 +75,7 @@ static const char * password_hash_i(const char * passwd, const char *input, int
                 salt_len = strlen(input);
             }
             assert(salt_len < MAXSALTLEN);
-            stpncpy(salt, input, salt_len);
+            memcpy(salt, input, salt_len);
             salt[salt_len] = 0;
         } else {
             input = password_gensalt(salt, sizeof(salt));

src/util/password.test.c

@@ -1,6 +1,7 @@
 #include <platform.h>
 #include <CuTest.h>
 #include "password.h"
+#include <string.h>
 
 static void test_passwords(CuTest *tc) {
     const char *hash, *expect;