cmake: fix typo and added summary for KSPACE package

cmake/CMakeLists.txt

@@ -174,7 +174,7 @@ if(ENABLE_KSPACE)
   endif()
   find_package(${FFTW} QUIET)
   if(${FFTW}_FOUND)
-    set(FFT "${{FFTW}" CACHE STRING "FFT library for KSPACE package")
+    set(FFT "${FFTW}" CACHE STRING "FFT library for KSPACE package")
   else()
     set(FFT "KISSFFT" CACHE STRING "FFT library for KSPACE package")
   endif()
@@ -843,3 +843,6 @@ if(ENABLED_GPU)
     message(STATUS "OCL Tune: ${OCL_TUNE}")
   endif()
 endif()
+if(ENABLE_KSPACE)
+	message(STATUS "Using ${FFT} as FFT")
+endif()

cmake/Modules/FindFFTW3F.cmake

@@ -9,7 +9,7 @@
 find_package(PkgConfig)
 
 pkg_check_modules(PC_FFTW3F fftw3f)
-find_path(FFTW3F_INCLUDE_DIR fftw3f.h HINTS ${PC_FFTW3F_INCLUDE_DIRS})
+find_path(FFTW3F_INCLUDE_DIR fftw3.h HINTS ${PC_FFTW3F_INCLUDE_DIRS})
 
 find_library(FFTW3F_LIBRARY NAMES fftw3f HINTS ${PC_FFTW3F_LIBRARY_DIRS})