[SPARC64]: Propagate bprm->interp changes to sparc 32-bit compat layer.

arch/sparc64/kernel/sys_sparc32.c

@@ -1987,6 +1987,7 @@ do_execve32(char * filename, u32 * argv, u32 * envp, struct pt_regs * regs)
 
 	bprm.file = file;
 	bprm.filename = filename;
+	bprm.interp = filename;
 	bprm.sh_bang = 0;
 	bprm.loader = 0;
 	bprm.exec = 0;