close_displayed_image - Closes a displayed image
Example compile flags (system dependent):
-DLINUX_X86_64 -DLINUX_X86_64_OPTERON -DGNU_COMPILER
-lKJB -lfftw3 -lgsl -lgslcblas -ljpeg -lSVM -lstdc++ -lpthread -lSLATEC -lg2c -lacml -lacml_mv -lblas -lg2c -lncursesw
int close_displayed_image(int image_num);
This routine closes a displayed image. All images are closed on program exit,
and, in addition, may be closed asynchronously by the user. However, if you
want to close an image from within a program, then this routine can be used.
NO_ERROR on success, and ERROR on failure, with an appropriate error
message being set.
This software is not adequatedly tested. It is recomended that
results are checked independantly where appropriate.