cmake: install gme_deps (when gme is built as a static library)

Author: madebr

CMakeLists.txt

@@ -628,10 +628,10 @@ if(SDLMIXER_GME)
         set(GME_BUILD_SHARED "${SDLMIXER_GME_SHARED}")
         if(SDLMIXER_GME_SHARED)
             set(GME_BUILD_STATIC OFF)
-            set(tgt_gme gme_shared)
+            set(targets_gme gme_shared)
         else()
             set(GME_BUILD_STATIC ON)
-            set(tgt_gme gme_static)
+            set(targets_gme gme_static gme_deps)
         endif()
         set(GME_BUILD_FRAMEWORK OFF)
         set(GME_BUILD_TESTING OFF)
@@ -643,7 +643,7 @@ if(SDLMIXER_GME)
         enable_language(CXX)
         add_subdirectory(external/libgme external/libgme-build EXCLUDE_FROM_ALL)
         if(SDLMIXER_GME_SHARED OR NOT SDLMIXER_BUILD_SHARED_LIBS)
-            list(APPEND INSTALL_EXTRA_TARGETS ${tgt_gme})
+            list(APPEND INSTALL_EXTRA_TARGETS ${targets_gme})
         endif()
         if(NOT SDLMIXER_GME_SHARED)
             list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:gme>)