Make more JS files beter match the coding standard.

test/mjsunit/smi-ops.js

Index: test/mjsunit/smi-ops.js
diff --git a/test/mjsunit/smi-ops.js b/test/mjsunit/smi-ops.js
index 7945855f39c1f8b6181ce48e5fa4091084c3182d..74f993df445aff9708dbcad8480c6990b2ad16c5 100644
--- a/test/mjsunit/smi-ops.js
+++ b/test/mjsunit/smi-ops.js
@@ -235,7 +235,7 @@ assertFalse(v != v);
 assertFalse(v !== v);
 
 // Right hand side of unary minus is overwritable.
-v = 1.5
+v = 1.5;
 assertEquals(-2.25, -(v * v));
 
 // Smi input to bitop gives non-smi result where the rhs is a float that
@@ -247,9 +247,9 @@ assertEquals(0x40000000, x1 << (x2 - x3), "0x10000000<<1(1)");
 
 // Smi input to bitop gives non-smi result where the rhs could be overwritten
 // if it were a float, but it isn't.
-x1 = 0x10000000
-x2 = 4
-x3 = 2
+x1 = 0x10000000;
+x2 = 4;
+x3 = 2;
 assertEquals(0x40000000, x1 << (x2 - x3), "0x10000000<<2(2)");