Fixed imm13 range inside assertion.

[r27739]

ir/be/sparc/sparc_emitter.c

 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -132,7 +132,7 @@ static const arch_register_t *get_out_reg(const ir_node *node, int pos)
 void sparc_emit_immediate(const ir_node *node)
 {
 	const sparc_attr_t *attr = get_sparc_attr_const(node);
-	assert(!(attr->immediate_value < -4096 || attr->immediate_value > 4096));
+	assert(!(attr->immediate_value < -4096 || attr->immediate_value >= 4096));
 	be_emit_irprintf("%d", attr->immediate_value);
 }