Add missing cast to global/static var alignments.

src/llvm_backend.cpp

@@ -2598,7 +2598,7 @@ gb_internal bool lb_generate_code(lbGenerator *gen) {
 			LLVMSetLinkage(g.value, USE_SEPARATE_MODULES ? LLVMWeakAnyLinkage : LLVMInternalLinkage);
 		}
 		lb_set_linkage_from_entity_flags(m, g.value, e->flags);
-		LLVMSetAlignment(g.value, type_align_of(e->type));
+		LLVMSetAlignment(g.value, cast(u32)type_align_of(e->type));
 		
 		if (e->Variable.link_section.len > 0) {
 			LLVMSetSection(g.value, alloc_cstring(permanent_allocator(), e->Variable.link_section));

src/llvm_backend_stmt.cpp

@@ -1984,7 +1984,7 @@ gb_internal void lb_build_static_variables(lbProcedure *p, AstValueDecl *vd) {
 		char *c_name = alloc_cstring(permanent_allocator(), mangled_name);
 
 		LLVMValueRef global = LLVMAddGlobal(p->module->mod, lb_type(p->module, e->type), c_name);
-		LLVMSetAlignment(global, type_align_of(e->type));
+		LLVMSetAlignment(global, cast(u32)type_align_of(e->type));
 		LLVMSetInitializer(global, LLVMConstNull(lb_type(p->module, e->type)));
 		if (value.value != nullptr) {
 			LLVMSetInitializer(global, value.value);