* builds/windows/visualc/freetype.vcproj: Add missing file.
diff --git a/builds/windows/visualc/freetype.vcproj b/builds/windows/visualc/freetype.vcproj
index 4cbb6b9..577e53d 100644
--- a/builds/windows/visualc/freetype.vcproj
+++ b/builds/windows/visualc/freetype.vcproj
@@ -435,6 +435,10 @@
 				</FileConfiguration>

 			</File>

 			<File

+				RelativePath="..\..\..\src\sdf\sdf.c"

+				>

+			</File>

+			<File

 				RelativePath="..\..\..\src\smooth\smooth.c"

 				>

 			</File>