mesa: Use appropriate unsigned/signed, float/integer types.
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 2932c9e..55f862a 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -513,7 +513,7 @@
    for (i = 0; i < prog->NumInstructions; i++) {
       struct prog_instruction *inst = prog->Instructions + i;
       if (inst->BranchTarget > 0) {
-         if (inst->BranchTarget >= start) {
+         if ((GLuint)inst->BranchTarget >= start) {
             inst->BranchTarget += count;
          }
       }