Fix bug with initializer expression lists for globlal/static array-typed variables.

tests/static-array-init-1.ispc

@@ -0,0 +1,13 @@
+
+static uniform float foo[4] = { 1, 2, 3, 4 };
+
+export uniform int width() { return programCount; }
+
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    RET[programIndex] = foo[b-3]; 
+}
+
+export void result(uniform float RET[]) {
+    RET[programIndex] = 3;
+}

tests/static-array-init.ispc

@@ -0,0 +1,13 @@
+
+static uniform int foo[4] = { 1, 2, 3, 4 };
+
+export uniform int width() { return programCount; }
+
+
+export void f_fu(uniform float RET[], uniform float aFOO[], uniform float b) {
+    RET[programIndex] = foo[b-3]; 
+}
+
+export void result(uniform float RET[]) {
+    RET[programIndex] = 3;
+}