Ports: Fix Quake2 dynamic loading issues

Our DynamicLoader would choke on a couple of missing symbols. I'm not
certain how this could have worked before, but there we go. :^)

Ports/quake2/patches/0001-Add-SerenityOS-platform-support.patch

@@ -7,15 +7,15 @@ Co-Authored-By: Jesse Buhagiar <[email protected]>
 ---
  CMakeLists.txt | 9 --
  README.md | 32 ++--
- src/CMakeLists.txt | 72 +++------
+ src/CMakeLists.txt | 71 +++------
  src/linux/glw_linux.h | 2 +-
  src/linux/net_udp.c | 2 +-
  src/linux/q_shlinux.c | 36 +++--
- src/linux/rw_sdl.c | 4 +-
+ src/linux/rw_sdl.c | 9 +-
  src/linux/snd_sdl.c | 4 +-
  src/linux/sys_linux.c | 354 +++++++++++++++++++++---------------------
  src/linux/vid_so.c | 11 +-
- 10 files changed, 248 insertions(+), 278 deletions(-)
+ 10 files changed, 252 insertions(+), 278 deletions(-)
 
 diff --git a/CMakeLists.txt b/CMakeLists.txt
 index 45d107b..49d329b 100644
@@ -79,7 +79,7 @@ index d86b324..1b119bf 100644
 +set gl_driver "libgl.so.serenity"
 +```
 diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
-index d8ea312..cd976cd 100644
+index d8ea312..7ed0d8a 100644
 --- a/src/CMakeLists.txt
 +++ b/src/CMakeLists.txt
 @@ -2,23 +2,7 @@ set (quake_resource_libdir ${CMAKE_INSTALL_PREFIX}/lib/quake2sdl)
@@ -133,7 +133,7 @@ index d8ea312..cd976cd 100644
 
  add_library (ref-softsdl SHARED
  ref_soft/r_aclip.c
-@@ -109,31 +85,31 @@ add_library (ref-softsdl SHARED
+@@ -109,31 +85,30 @@ add_library (ref-softsdl SHARED
  set_target_properties (ref-softsdl PROPERTIES OUTPUT_NAME ref_softsdl PREFIX "")
 
  if (WITH_QMAX)
@@ -177,7 +177,6 @@ index d8ea312..cd976cd 100644
 + linux/glob.c
 + linux/rw_sdl.c
 + linux/rw_linux.c
-+ linux/joystick.c
 + )
  if (WITH_QMAX)
 - target_link_libraries (ref-sdlgl ${JPEG_LIBRARY})
@@ -263,7 +262,7 @@ index 801f750..1851276 100644
  #if defined(__linux__)
  n = mremap(membase, maxhunksize, curhunksize + sizeof(int), 0);
 diff --git a/src/linux/rw_sdl.c b/src/linux/rw_sdl.c
-index 460e28a..b873dfa 100644
+index 460e28a..2e5a82f 100644
 --- a/src/linux/rw_sdl.c
 +++ b/src/linux/rw_sdl.c
 @@ -20,7 +20,7 @@
@@ -284,6 +283,15 @@ index 460e28a..b873dfa 100644
  if (renderer == NULL) {
  Sys_Error("(SOFTSDL) SDL CreateRenderer failed: %s\n", SDL_GetError());
  return false;
+@@ -951,3 +951,8 @@ void Fake_glColorTableEXT( GLenum target, GLenum internalformat,
+ qgl3DfxSetPaletteEXT((GLuint *)temptable);
+ }
+ #endif
++
++void UpdateHardwareGamma(void)
++{
++ // Noop
++}
 diff --git a/src/linux/snd_sdl.c b/src/linux/snd_sdl.c
 index b9ae691..5c66159 100644
 --- a/src/linux/snd_sdl.c