Fix icc check (#97)

* Fix icc check

* Go back to previous check, but with comment moved

config/defaults/config.LINUX_INTEL.mk

@@ -7,7 +7,8 @@ PMAKE = make -j 4
 
 # ------- Define the MPI Compilers--------------------------------------
 ifdef I_MPI_ROOT # Using Intel MPI
- ICC_EXISTS := $(shell command -v icc;) # Note that ";" is there to avoid make shell optimization, otherwise the shell command may fail
+ # Note that ";" is there to avoid make shell optimization, otherwise the shell command may fail
+ ICC_EXISTS := $(shell command -v icc;)
 
  ifdef ICC_EXISTS
  # icc only exists on older Intel versions