mdev: adjust error message

function                                             old     new   delta
.rodata                                           126715  126706      -9

(reusing common error string)

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed