removed cmake warnings

AMDiS/AMDiSConfig.cmake.in

@@ -36,7 +36,7 @@ set(AMDiS_USE_FILE ${AMDiS_DIR}/AMDiSUse.cmake)
 set(AMDiS_COMPILEFLAGS "@COMPILEFLAGS@")
 message("find-components: ${AMDiS_FIND_COMPONENTS}")
 
-if(${AMDiS_NEED_UMFPACK})
+if(AMDiS_NEED_UMFPACK)
 	set(BLAS_LIBRARY_DIR "" CACHE PATH "the blas library directory")
 	set(BLAS_LIBRARY "blas" CACHE STRING "the blas library")
 	find_library(_BLAS_LIB ${BLAS_LIBRARY} PATHS ${BLAS_LIBRARY_DIR})
@@ -51,10 +51,10 @@ if(${AMDiS_NEED_UMFPACK})
 		${AMDiS_INCLUDE_DIR}/ufconfig
 		${AMDiS_INCLUDE_DIR}/ufconfig/xerbla
 	)
-endif(${AMDiS_NEED_UMFPACK})
+endif(AMDiS_NEED_UMFPACK)
 
 if(${AMDiS_FIND_COMPONENTS} MATCHES umfpack )
-	if( ${AMDiS_NEED_UMFPACK} )
+	if( AMDiS_NEED_UMFPACK )
 	  list(APPEND AMDiS_LIBRARIES umfpack blas)
 	else()
 	  set( AMDiS_umfpack_FOUND FALSE)
@@ -62,7 +62,7 @@ if(${AMDiS_FIND_COMPONENTS} MATCHES umfpack )
 	endif()
 endif()
 
-if( ${AMDiS_NEED_PARMETIS} )
+if( AMDiS_NEED_PARMETIS )
   list(APPEND AMDiS_LIBRARIES parmetis metis)
 endif()