pulseaudio: We should be using libpulse, not libpulse-simple.

This probably worked by a quirk of the dynamic loader...?

(cherry picked from commit 6aef14fb2d40bc39580d198423930741104c8d94)

cmake/sdlchecks.cmake

@@ -166,7 +166,7 @@ endmacro()
 # - HAVE_SDL_LOADSO opt
 macro(CheckPulseAudio)
   if(SDL_PULSEAUDIO)
-    pkg_check_modules(PKG_PULSEAUDIO libpulse-simple>=0.9.15)
+    pkg_check_modules(PKG_PULSEAUDIO libpulse>=0.9.15)
     if(PKG_PULSEAUDIO_FOUND)
       set(HAVE_PULSEAUDIO TRUE)
       file(GLOB PULSEAUDIO_SOURCES ${SDL2_SOURCE_DIR}/src/audio/pulseaudio/*.c)
@@ -176,9 +176,9 @@ macro(CheckPulseAudio)
       if(SDL_PULSEAUDIO_SHARED AND NOT HAVE_SDL_LOADSO)
         message_warn("You must have SDL_LoadObject() support for dynamic PulseAudio loading")
       endif()
-      FindLibraryAndSONAME("pulse-simple" LIBDIRS ${PKG_PULSEAUDIO_LIBRARY_DIRS})
-      if(SDL_PULSEAUDIO_SHARED AND PULSE_SIMPLE_LIB AND HAVE_SDL_LOADSO)
-        set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_SIMPLE_LIB_SONAME}\"")
+      FindLibraryAndSONAME("pulse" LIBDIRS ${PKG_PULSEAUDIO_LIBRARY_DIRS})
+      if(SDL_PULSEAUDIO_SHARED AND PULSE_LIB AND HAVE_SDL_LOADSO)
+        set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_LIB_SONAME}\"")
         set(HAVE_PULSEAUDIO_SHARED TRUE)
       else()
         list(APPEND EXTRA_LDFLAGS ${PKG_PULSEAUDIO_LDFLAGS})