replace xmalloc() by Malloc()

src/file.c

@@ -307,7 +307,7 @@ bfile_t *file_new_entry(void)
 {
   bfile_t *fileptr;
 
-  fileptr = (bfile_t *)xmalloc(sizeof(bfile_t));
+  fileptr = (bfile_t *) Malloc(sizeof(bfile_t));
 
   if ( fileptr ) file_init_entry(fileptr);
 

src/stream_cdf.c

@@ -5194,7 +5194,7 @@ int isHybridSigmaPressureCoordinate(int ncid, int ncvarid, ncvar_t *ncvars, cons
                     printf("%d  %g %g    %g %g\n", i, abuf[i*2], abuf[i*2+1], bbuf[i*2], bbuf[i*2+1]);
                   */
                   size_t vctsize = (dimlen+1)*2;
-                  double *vct = (double *)xmalloc(vctsize * sizeof(double));
+                  double *vct = (double *) Malloc(vctsize * sizeof(double));
                   for ( size_t i = 0; i < dimlen; ++i )
                     {
                       vct[i] = abuf[i*2];