Add optional c to sfml

Fixes #746

Author: xPaw

rules.ini

@@ -344,7 +344,7 @@ Qt = (?:^|/)Qt(?:Core4|[0-9]Core)\.dll$
 Razer_CChromaEditor = (?:^|/)CChromaEditorLibrary(?:64)?\.dll$
 SDL = (?:^|/)sdl[23]?\.(?:framework/|dll$|txt$)
 Sentry = (?:^|/)(?:lib)?sentry\.dll$
-SFML = (?:^|/)(?:lib)?sfml-
+SFML = (?:^|/)(?:lib)?c?sfml-
 SharpDX = (?:^|/)SharpDX\.dll$
 SlimDX = (?:^|/)slimdx\.dll$
 Smacker_Video = (?:^|/)smackw32\.dll$

tests/types/SDK.SFML.txt

@@ -1,9 +1,17 @@
+/csfml-
+/csfml-@
+/libcsfml-
+/libcsfml-@
 /libsfml-
 /libsfml-@
 /sfml-
 /sfml-@
 Frameworks/sfml-window.framework
 LUFTRAUSERS.app/Contents/Frameworks/sfml-audio.framework
+csfml-
+csfml-@
+libcsfml-
+libcsfml-@
 libsfml-
 libsfml-@
 libsfml-audio.2.4.1.dylib