fix config const

Signed-off-by: Jade Abraham <jade.abraham@hpe.com>

Author: jabraham17

08-heat-2D.chpl

@@ -1,6 +1,7 @@
 use ImageUtils;
 
-config const nx, ny = 1000;
+config const nx = 1000;
+config const ny = 1000;
 config const N = 10000;
 const alpha = 0.1;
 

09-heat-2D-block.chpl

@@ -1,7 +1,8 @@
 use BlockDist;
 use ImageUtils;
 
-config const nx, ny = 1000;
+config const nx = 1000;
+config const ny = 1000;
 config const N = 10000;
 const alpha = 0.1;
 

10-heat-2D-stencil.chpl

@@ -1,7 +1,8 @@
 use StencilDist;
 use ImageUtils;
 
-config const nx, ny = 1000;
+config const nx = 1000;
+config const ny = 1000;
 config const N = 10000;
 const alpha = 0.1;