bug related to CFITSIO fixed

w-stacking-fftw.c

@@ -129,11 +129,13 @@ int main(int argc, char * argv[])
 
 
 	// Initialize FITS image parameters
+	#ifdef FITSIO
 	fitsfile *fptreal;
 	fitsfile *fptrimg;
 	int status;
 	char testfitsreal[FILENAMELENGTH] = "parallel_np2_real.fits";
 	char testfitsimag[FILENAMELENGTH] = "parallel_np2_img.fits";
+        #endif
 
 	long naxis = 2;
 	long naxes[2] = { grid_size_x, grid_size_y };