Fixed build warning because of redefining string functions
diff --git a/src/hidapi/libusb/hid.c b/src/hidapi/libusb/hid.c
index 24ae052..37d01e3 100644
--- a/src/hidapi/libusb/hid.c
+++ b/src/hidapi/libusb/hid.c
@@ -32,11 +32,29 @@
#include "SDL_mutex.h"
#include "SDL_thread.h"
+#ifdef realloc
+#undef realloc
+#endif
#define realloc SDL_realloc
+#ifdef snprintf
+#undef snprintf
+#endif
#define snprintf SDL_snprintf
+#ifdef strdup
+#undef strdup
+#endif
#define strdup SDL_strdup
+#ifdef strncpy
+#undef strncpy
+#endif
#define strncpy SDL_strlcpy
+#ifdef tolower
+#undef tolower
+#endif
#define tolower SDL_tolower
+#ifdef wcsncpy
+#undef wcsncpy
+#endif
#define wcsncpy SDL_wcslcpy
#ifndef HAVE_WCSDUP