File nrrdio-linking.patch of Package insighttoolkit

Description: Link libITKNrrdIO with -lm (needed for sqrt)
Author: Steve Robbins <smr@debian.org>
Forwarded: no

--- insighttoolkit4-4.5.0.orig/Modules/ThirdParty/NrrdIO/src/NrrdIO/CMakeLists.txt
+++ insighttoolkit4-4.5.0/Modules/ThirdParty/NrrdIO/src/NrrdIO/CMakeLists.txt
@@ -64,7 +64,7 @@
 ADD_DEFINITIONS(-DTEEM_ZLIB=1)
 
 ADD_LIBRARY(ITKNrrdIO ${nrrdio_SRCS} )
-TARGET_LINK_LIBRARIES(ITKNrrdIO ${ITKZLIB_LIBRARIES})
+TARGET_LINK_LIBRARIES(ITKNrrdIO ${ITKZLIB_LIBRARIES} -lm)
 
 IF(ITK_LIBRARY_PROPERTIES)
   SET_TARGET_PROPERTIES(ITKNrrdIO PROPERTIES ${ITK_LIBRARY_PROPERTIES})