[vk, gl] fix missing spline1 header (#2551)

Thanks to @chemicalwarrior for the patch
Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2551
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/video_core/renderer_opengl/present/filters.cpp

@@ -13,6 +13,7 @@
 #include "video_core/host_shaders/present_bicubic_frag.h"
 #include "video_core/host_shaders/present_gaussian_frag.h"
 #include "video_core/host_shaders/present_lanczos_frag.h"
+#include "video_core/host_shaders/present_spline1_frag.h"
 #include "video_core/renderer_opengl/present/filters.h"
 #include "video_core/renderer_opengl/present/util.h"
 

src/video_core/renderer_vulkan/present/filters.cpp

@@ -13,6 +13,7 @@
 #include "video_core/host_shaders/present_bicubic_frag_spv.h"
 #include "video_core/host_shaders/present_gaussian_frag_spv.h"
 #include "video_core/host_shaders/present_lanczos_frag_spv.h"
+#include "video_core/host_shaders/present_spline1_frag_spv.h"
 #include "video_core/host_shaders/vulkan_present_frag_spv.h"
 #include "video_core/host_shaders/vulkan_present_scaleforce_fp16_frag_spv.h"
 #include "video_core/host_shaders/vulkan_present_scaleforce_fp32_frag_spv.h"