same for iswspace*

libc/stdlib/strtod.c

@@ -112,11 +112,12 @@
 #include <wchar.h>
 #include <wctype.h>
 #include <bits/uClibc_uwchar.h>
-
+libc_hidden_proto(iswspace)
 #endif
 
 #ifdef __UCLIBC_HAS_XLOCALE__
 #include <xlocale.h>
+libc_hidden_proto(iswspace_l)
 #endif /* __UCLIBC_HAS_XLOCALE__ */
 
 /* Handle _STRTOD_HEXADECIMAL_FLOATS via uClibc config now. */