glslang: Bug 13724: ES global initializers must be constant.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@30990 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/lineContinuation100.vert

@@ -37,10 +37,10 @@ vec4 foo2(vec4 a)
 #define C int q3 = $ 1
 #define D int q4 = @ 1
 
-int a1 = \ 4;  // ERROR
-int a2 = @ 3;  // ERROR
-int a3 = $4;   // ERROR
-int a4 = a2\;  // ERROR
+const highp int a1 = \ 4;  // ERROR
+const highp int a2 = @ 3;  // ERROR
+const highp int a3 = $4;   // ERROR
+const highp int a4 = a2\;  // ERROR
 
 A;
 B;