SDL: Don't add extra build linker flags to SDL2_static

SDL Commits
1 
From 851eecdf4060d0a472cff5084809983ad4ca093d Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Mon, 13 Jun 2022 18:04:10 +0200
Subject: [PATCH] Don't add extra build linker flags to SDL2_static

These leak to users, when SDL2 is vendored.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1fea80fdcb4..122fc559bff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3013,7 +3013,7 @@ if(SDL_STATIC)
   endif()
   # TODO: Win32 platforms keep the same suffix .lib for import and static
   # libraries - do we need to consider this?
-  target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS} ${EXTRA_LDFLAGS_BUILD})
+  target_link_libraries(SDL2-static PRIVATE ${EXTRA_LIBS} ${EXTRA_LDFLAGS})
   target_include_directories(SDL2-static BEFORE PRIVATE "${SDL2_BINARY_DIR}/include")
   target_include_directories(SDL2-static PUBLIC "$<BUILD_INTERFACE:${SDL2_SOURCE_DIR}/include>" $<INSTALL_INTERFACE:include> $<INSTALL_INTERFACE:include/SDL2>)
   # This picks up all the compiler options and such we've accumulated up to here.