ac/llvm: fix warning in ac_build_canonicalize()

../src/amd/llvm/ac_llvm_build.c: In function ‘ac_build_canonicalize’:
../src/amd/llvm/ac_llvm_build.c:4567:9: warning: ‘intr’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 4567 |  return ac_build_intrinsic(ctx, intr, type, params, 1,
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 4568 |       AC_FUNC_ATTR_READNONE);
      |       ~~~~~~~~~~~~~~~~~~~~~~
../src/amd/llvm/ac_llvm_build.c:4567:9: warning: ‘type’ may be used uninitialized in this function [-Wmaybe-uninitialized]

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
diff --git a/src/amd/llvm/ac_llvm_build.c b/src/amd/llvm/ac_llvm_build.c
index 60213fd..1cd6873 100644
--- a/src/amd/llvm/ac_llvm_build.c
+++ b/src/amd/llvm/ac_llvm_build.c
@@ -4553,7 +4553,7 @@
 	} else if (bitsize == 32) {
 		intr = "llvm.canonicalize.f32";
 		type = ctx->f32;
-	} else if (bitsize == 64) {
+	} else {
 		intr = "llvm.canonicalize.f64";
 		type = ctx->f64;
 	}