Squelch a little more trailing whitespace

backends/simplec/test00_uut.v

@@ -3,12 +3,12 @@ module test(input [31:0] a, b, c, output [31:0] x, y, z, w);
   unit_y unit_y_inst (.a(a), .b(b), .c(c), .y(y));
   assign z = a ^ b ^ c, w = z;
 endmodule
-  
+
 module unit_x(input [31:0] a, b, c, output [31:0] x);
   assign x = (a & b) | c;
 endmodule
-  
+
 module unit_y(input [31:0] a, b, c, output [31:0] y);
   assign y = a & (b | c);
 endmodule
-  
+