Fix printf in test cases

Author: manorom

clang/tools/sotoc/test/arrays/static_variable_length_array_2d_sw.c

@@ -17,7 +17,7 @@ int main(){
   }
 
   for (j = 0; j < size; j+=64) {
-    printf("%.2f %.2f",A[0][j],A[1][j]);
+    printf("%.2f %.2f ",A[0][j],A[1][j]);
   }
   return 0;
 }

clang/tools/sotoc/test/arrays/static_variable_length_array_3d_sw.c

@@ -20,7 +20,7 @@ int main(){
   }
 
   for (j = 0; j < size; j+=64) {
-    printf("%.2f %.2f",A[0][j][3],A[1][j][2]);
+    printf("%.2f %.2f ",A[0][j][3],A[1][j][2]);
   }
   return 0;
 }