The RDP file buffers contain little endian UTF-16, but all the wcs* and
UTF conversion functions use the WCHAR type and assume native endian.
Convert the buffer to little endian on big endian machines.

--- a/client/common/file.c
+++ b/client/common/file.c
@@ -42,6 +42,18 @@
 
 #include <winpr/crt.h>
 
+#if defined(WIN32) || defined(WIN64)
+  #ifndef __LITTLE_ENDIAN
+    #define __LITTLE_ENDIAN 1234
+    #define __BIG_ENDIAN    4321
+  #endif
+  #ifndef __BYTE_ORDER
+    #define __BYTE_ORDER __LITTLE_ENDIAN
+  #endif
+#else
+  #include <endian.h>
+#endif
+
 #define DEBUG_CLIENT_FILE	1
 
 static BYTE BOM_UTF16_LE[2] = { 0xFF, 0xFE };
@@ -364,7 +376,8 @@
 
 BOOL freerdp_client_parse_rdp_file_buffer_unicode(rdpFile* file, BYTE* buffer, size_t size)
 {
-	int length;
+	int i, length;
+	BYTE* bufferne;
 	WCHAR* line;
 	WCHAR* type;
 	WCHAR* context;
@@ -372,7 +385,19 @@
 	WCHAR *beg, *end;
 	WCHAR *name, *value;
 
-	line = wcstok_s((WCHAR*) buffer, CR_LF_STR_W, &context);
+#if __BYTE_ORDER == __BIG_ENDIAN
+	/* Convert the buffer from little endian to native endian */
+	bufferne = (BYTE*) malloc(size);
+	for (i = 0; i < size / 2; i++)
+	{
+		bufferne[i*2]  = buffer[i*2 + 1];
+		bufferne[i*2 + 1]  = buffer[i*2];
+	}
+#else
+	bufferne = buffer;
+#endif
+
+	line = wcstok_s((WCHAR*) bufferne, CR_LF_STR_W, &context);
 
 	while (line != NULL)
 	{
@@ -425,6 +450,10 @@
 		line = wcstok_s(NULL, CR_LF_STR_W, &context);
 	}
 
+#if __BYTE_ORDER == __BIG_ENDIAN
+	free(bufferne);
+#endif
+
 	return TRUE;
 }