Add physfs-2.0.1 in order to fix ticket #170

Test application runs ok but there doesn't appear to be an automated test suite.

dev-games/physfs/patches/physfs-2.0.1.patch

@@ -0,0 +1,24 @@
+diff -up physfs-2.0.1/CMakeLists.txt.orig physfs-2.0.1/CMakeLists.txt
+--- physfs-2.0.1/CMakeLists.txt.orig	2010-04-27 21:17:08.770441216 -0600
++++ physfs-2.0.1/CMakeLists.txt	2010-04-27 21:25:09.183238656 -0600
+@@ -108,7 +108,9 @@ IF(BEOS)
+     # We add this explicitly, since we don't want CMake to think this
+     #  is a C++ project unless we're on BeOS.
+     SET(PHYSFS_BEOS_SRCS platform/beos.cpp)
+-    SET(OPTIONAL_LIBRARY_LIBS ${OPTIONAL_LIBRARY_LIBS} be root)
++    FIND_LIBRARY(BE_LIBRARY be)
++    FIND_LIBRARY(ROOT_LIBRARY root)
++    SET(OPTIONAL_LIBRARY_LIBS ${OPTIONAL_LIBRARY_LIBS} ${BE_LIBRARY} ${ROOT_LIBRARY})
+ ENDIF(BEOS)
+ 
+ # Almost everything is "compiled" here, but things that don't apply to the
+@@ -298,7 +300,8 @@ IF(PHYSFS_BUILD_TEST)
+     FIND_PATH(READLINE_H readline/readline.h)
+     FIND_PATH(HISTORY_H readline/history.h)
+     IF(READLINE_H AND HISTORY_H)
+-        SET(CMAKE_REQUIRED_LIBRARIES curses)
++        FIND_LIBRARY(CURSES_LIBRARY NAMES curses ncurses)
++        SET(CMAKE_REQUIRED_LIBRARIES ${CURSES_LIBRARY})
+         FIND_LIBRARY(READLINE_LIBRARY readline)
+         FIND_LIBRARY(HISTORY_LIBRARY history)
+         IF(READLINE_LIBRARY AND HISTORY_LIBRARY)

dev-games/physfs/physfs-2.0.1.bep

@@ -0,0 +1,19 @@
+DESCRIPTION="PhysicsFS is a library to provide abstract access to various archives" 
+HOMEPAGE="http://icculus.org/physfs" 
+SRC_URI="hg+http://hg.icculus.org/icculus/physfs/#release-2.0.1"
+#SRC_URI="http://icculus.org/physfs/downloads/physfs-2.0.1.tar.gz"
+#CHECKSUM_MD5="df00465fcfa80e87f718961c6dd6b928"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND="dev-util/cmake >= 2.8.0
+	dev-util/mercurial >= 1.4"
+BUILD {
+	cd physfs-2.0.1
+	cmake .
+	make
+}
+
+INSTALL {
+	cd physfs-2.0.1
+	make install
+}

dev-games/physfs/physfs.OptionalPackageDescription

@@ -1,5 +1,5 @@
 Package:	physfs
-Version:		2.0
-Copyright:	2001-2009 Ryan C. Gordon
-License:		PHYSFS
-URL:			http://icculus.org/physfs
+Version:	2.0.1
+Copyright:	2001-2010 Ryan C. Gordon
+License:	PHYSFS
+URL:		http://icculus.org/physfs