wolfSSHd Connection Closure

1. Fix a bunch of function wrappers. Was using the Xname rather than the
   preferred Wname.

apps/wolfsshd/wolfsshd.c

@@ -247,7 +247,7 @@ static byte* getBufferFromFile(const char* fileName, word32* bufSz, void* heap)
 
     if (WFOPEN(NULL, &file, fileName, "rb") != 0)
         return NULL;
-    WFSEEK(NULL, file, 0, XSEEK_END);
+    WFSEEK(NULL, file, 0, WSEEK_END);
     fileSz = (word32)WFTELL(NULL, file);
     WREWIND(NULL, file);
 
@@ -1175,7 +1175,7 @@ static int SHELL_Subsystem(WOLFSSHD_CONNECTION* conn, WOLFSSH* ssh,
         forcedCmd = (char*)subCmd;
     }
 
-    if (forcedCmd != NULL && XSTRCMP(forcedCmd, "internal-sftp") == 0) {
+    if (forcedCmd != NULL && WSTRCMP(forcedCmd, "internal-sftp") == 0) {
         wolfSSH_Log(WS_LOG_ERROR,
                                 "[SSHD] Only SFTP connections allowed for user "
                                 "%s", wolfSSH_GetUsername(ssh));
@@ -1320,11 +1320,11 @@ static int SHELL_Subsystem(WOLFSSHD_CONNECTION* conn, WOLFSSH* ssh,
         }
 
         /* default to /bin/sh if user shell is not set */
-        if (pPasswd->pw_shell && XSTRLEN(pPasswd->pw_shell)) {
-            XSNPRINTF(cmd, sizeof(cmd), "%s", pPasswd->pw_shell);
+        if (pPasswd->pw_shell && WSTRLEN(pPasswd->pw_shell)) {
+            WSNPRINTF(cmd, sizeof(cmd), "%s", pPasswd->pw_shell);
         }
         else {
-            XSNPRINTF(cmd, sizeof(cmd), "%s", "/bin/sh");
+            WSNPRINTF(cmd, sizeof(cmd), "%s", "/bin/sh");
         }
 
         errno = 0;
@@ -2077,7 +2077,7 @@ static char* _convertHelper(WCHAR* in, void* heap) {
     if (ret != NULL) {
         size_t numConv = 0;
         if (wcstombs_s(&numConv, ret, retSz, in, retSz) != 0) {
-            XFREE(ret, heap, DYNTYPE_SSHD);
+            WFREE(ret, heap, DYNTYPE_SSHD);
             ret = NULL;
         }
     }