rPackages.rhdf5filters: updated patch (#399400)

diff --git a/src/Makevars.in b/src/Makevars.in

index 3e55470..656eae4 100644

--- a/src/Makevars.in

+++ b/src/Makevars.in

@@ -15,7 +15,7 @@ export PKG_CXXPICFLAGS=@CXXPICFLAGS@

 export RANLIB=@RANLIB@

 export MAKE=@MAKE@

 export AR=@AR@

-export PKG_CPPFLAGS=@CPPFLAGS@ -I"@RHDF5_INCLUDE@"

+export PKG_CPPFLAGS=@CPPFLAGS@

 export PKG_LDFLAGS=@LDFLAGS@

@@ -15,7 +15,7 @@ RANLIB := @RANLIB@

 MAKE := @MAKE@

 AR := @AR@

-PKG_CPPFLAGS := @CPPFLAGS@ -I"@RHDF5_INCLUDE@"

+PKG_CPPFLAGS := @CPPFLAGS@

 PKG_LDFLAGS := @LDFLAGS@

 export

 all: copying $(SHLIB)