init: if libc-based Unicode support is on, run setlocale(LC_ALL, "") at startup

It is not clear why we were excluding init from this.
The "getpid() != 1" clause was there from the beginning (2001)
but not explained.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

libbb/appletlib.c

@@ -184,8 +184,7 @@ void lbb_prepare(const char *applet
 #endif
 	applet_name = applet;
 
-	/* Set locale for everybody except 'init' */
-	if (ENABLE_LOCALE_SUPPORT && getpid() != 1)
+	if (ENABLE_LOCALE_SUPPORT)
 		setlocale(LC_ALL, "");
 
 #if ENABLE_FEATURE_INDIVIDUAL