configure: fix crystalhd detection

Regression since 4563a86f.

See 20c4fb2e for more information.
Tested-by: Michael Niedermayer <michael@niedermayer.cc>

configure

@@ -5719,7 +5719,7 @@ disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion    -lbz2  || disable bzlib
 disabled  lzma || check_lib  lzma.h lzma_version_number -llzma || disable lzma
 
 check_lib math.h sin -lm && LIBM="-lm"
-disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
+disabled crystalhd || check_lib "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd || disable crystalhd
 
 atan2f_args=2
 copysign_args=2