New build fix.

deadbeef.spec

@@ -93,7 +93,8 @@ mv mp4p-%{mp4p_commit}/* external/mp4p
 
 tar -xvf %{SOURCE2}
 mv ddb_dsp_libretro-%{ddb_dsp_libretro_commit}/* external/ddb_dsp_libretro
-sed -i 's|#include <stdint.h>|#include <cstdint>|' external/ddb_dsp_libretro/sinc_resampler.h
+sed -i 's|#include <stdint.h>||' external/ddb_dsp_libretro/sinc_resampler.h
+sed -i "s|#pragma once|#pragma once\n#include <cstdint>|" external/ddb_dsp_libretro/sinc_resampler.h
 
 tar -xvf %{SOURCE3}
 mv ddb_output_pw-%{ddb_output_pw_commit}/* external/ddb_output_pw