move icon files around.

src/CMakeLists.txt

@@ -131,13 +131,13 @@ add_executable(GSplus WIN32 MACOSX_BUNDLE
 	${generated_headers}
 
 	$<$<BOOL:${WIN32}>:win32.rc>
-	$<$<BOOL:${APPLE}>:gsp_icon.icns>
+	$<$<BOOL:${APPLE}>:assets/gsp_icon.icns>
 	$<$<BOOL:${APPLE}>:fix_mac_menu.m>
 )
 
 
 SET_SOURCE_FILES_PROPERTIES(
-  gsp_icon.icns
+  assets/gsp_icon.icns
   PROPERTIES
   MACOSX_PACKAGE_LOCATION Resources
  )

src/win32.rc

@@ -65,8 +65,8 @@ END
 
 // Icon with lowest ID value placed first to ensure application icon
 // remains consistent on all systems.
-IDC_GSPORT32              ICON    DISCARDABLE     "gsp_icon.ico"
-GSPORT32_ICON             ICON    DISCARDABLE     "gsp_icon.ico"
+IDC_GSPORT32              ICON    DISCARDABLE     "assets/gsp_icon.ico"
+GSPORT32_ICON             ICON    DISCARDABLE     "assets/gsp_icon.ico"
 
 /////////////////////////////////////////////////////////////////////////////
 //