fix warnings: long-int mismatch on card-ix & unused func-params eliminated

data-access/engine/src/vlkb/src/imcopydav.cpp

@@ -91,7 +91,7 @@ class dav
       {
          *numkeys = endcard_cix;
 
-         long rem = (endcard_cix+1) % 36;
+         int rem = (endcard_cix+1) % 36;
          *morekeys = (rem==0) ? 0 : (36-rem);
          return *status;
       }
@@ -123,7 +123,7 @@ class dav
             if(0 == string(lkeyname).compare(string{keyname}))
             {
                fits_parse_value(card, lvalue, comment, status);
-               if((lvalue!=NULL) && (*status==0))
+               if(/*(lvalue!=NULL) &&*/ (*status==0))
                {
                   switch(datatype)
                   {
@@ -142,9 +142,9 @@ class dav
 // 'The fpixel and lpixel parameters are integer arrays which specify the starting
 // and ending pixel coordinate in each dimension (starting with 1, not 0) of the FITS image'
       int ffgsv(int bitpix,
-            int naxis, long *naxes,
+            int naxis, /*long *naxes,*/
             long *fpixel, /*long *lpixel, long *inc,*/ long arraylen,
-            char nulval, char *array, int *anynul, int *status )
+            /*char nulval,*/ char *array, /*int *anynul,*/ int *status )
       {
          //assert( fpixel[0] <= lpixel[0] );
 
@@ -177,7 +177,7 @@ class dav
 
          fits_read_record(card_ix+1, card, status);
          fits_parse_value(card, value, NULL, status);
-         if((value!=NULL) && (*status==0))
+         if(/*(value!=NULL) &&*/ (*status==0))
          {
             return string{value};
          }
@@ -214,7 +214,7 @@ class dav
 
       static const int NCARDS=1400;
       char buffer[NCARDS*80];
-      long endcard_cix;
+      int endcard_cix;
       long du_firstbyte_cix;
 
       dav_off_t volume[9] = {1,1,1,1,1,1,1,1,1};
@@ -270,7 +270,7 @@ int fits_copy_image_section3(
    long lpixels[] = {1,1,1,1,1,1,1,1,1};
    long incs[] = {1,1,1,1,1,1,1,1,1};
    char *cptr, keyname[FLEN_KEYWORD], card[FLEN_CARD];
-   int ii, tstatus, anynull;
+   int ii, tstatus;
    long minrow, maxrow, minslice, maxslice, mincube, maxcube;
    long firstpix;
    long ncubeiter, nsliceiter, nrowiter, kiter, jiter, iiter;
@@ -551,8 +551,8 @@ int fits_copy_image_section3(
             lpixels[1] = fpixels[1];
 
             //
-            fdav.ffgsv(bitpix, naxis, naxes,
-                  fpixels, buffsize, 0, (char*)buffer, NULL, status);
+            fdav.ffgsv(bitpix, naxis, /*naxes,*/
+                  fpixels, buffsize, /*0,*/ (char*)buffer, /*NULL,*/ status);
 
             endianess(bitpix, buffsize, (char*)buffer);