Added "-framework Carbon" as a link option to premake4.lua.

To get nanovg to link correctly under OS X 12.3, it needs to be linked against
the Carbon libraries.  This was missing in the premake4.lua files.  Now fixed.

premake4.lua

@@ -5,7 +5,7 @@ solution "nanovg"
 	location ( "build" )
 	configurations { "Debug", "Release" }
 	platforms {"native", "x64", "x32"}
-	
+
    	project "nanovg"
 		language "C"
 		kind "StaticLib"
@@ -13,7 +13,7 @@ solution "nanovg"
 		files { "src/*.c" }
 		targetdir("build")
 		defines { "_CRT_SECURE_NO_WARNINGS" } --,"FONS_USE_FREETYPE" } Uncomment to compile with FreeType support
-		
+
 		configuration "Debug"
 			defines { "DEBUG" }
 			flags { "Symbols", "ExtraWarnings"}
@@ -42,7 +42,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -71,7 +71,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -101,7 +101,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -131,7 +131,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -159,7 +159,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -187,7 +187,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }
@@ -215,7 +215,7 @@ solution "nanovg"
 
 		configuration { "macosx" }
 			links { "glfw3" }
-			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo" }
+			linkoptions { "-framework OpenGL", "-framework Cocoa", "-framework IOKit", "-framework CoreVideo", "-framework Carbon" }
 
 		configuration "Debug"
 			defines { "DEBUG" }