Implement shader compiler support for uint scalars.

Bug 19331817

Change-Id: Ie901756ef4fdbab1dfa6ae01c77104fc84de247f
Reviewed-on: https://swiftshader-review.googlesource.com/2312
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
diff --git a/src/OpenGL/compiler/SymbolTable.cpp b/src/OpenGL/compiler/SymbolTable.cpp
index 873fda5..d0cd43d 100644
--- a/src/OpenGL/compiler/SymbolTable.cpp
+++ b/src/OpenGL/compiler/SymbolTable.cpp
@@ -49,6 +49,7 @@
     switch (type) {
     case EbtFloat:              mangledName += 'f';      break;
     case EbtInt:                mangledName += 'i';      break;
+    case EbtUInt:               mangledName += 'u';      break;
     case EbtBool:               mangledName += 'b';      break;
     case EbtSampler2D:          mangledName += "s2";     break;
     case EbtSamplerCube:        mangledName += "sC";     break;