Fixed typos.

include/libfirm/firm_types.h

@@ -125,7 +125,7 @@ typedef enum ir_relation {
 	ir_relation_less_greater       = ir_relation_less|ir_relation_greater,  /** less or greater ('not equal' for integer numbers) */
 	ir_relation_less_equal_greater = ir_relation_equal|ir_relation_less|ir_relation_greater, /**< less equal or greater ('not unordered') */
 	ir_relation_unordered_equal    = ir_relation_unordered|ir_relation_equal, /**< unordered or equal */
-	ir_relation_unordered_less     = ir_relation_unordered|ir_relation_less,  /**< unorderedor less */
+	ir_relation_unordered_less     = ir_relation_unordered|ir_relation_less,  /**< unordered or less */
 	ir_relation_unordered_less_equal = ir_relation_unordered|ir_relation_less|ir_relation_equal, /**< unordered, less or equal */
 	ir_relation_unordered_greater    = ir_relation_unordered|ir_relation_greater, /**< unordered or greater */
 	ir_relation_unordered_greater_equal = ir_relation_unordered|ir_relation_greater|ir_relation_equal, /**< unordered, greater or equal */

ir/ir/iropt.c

@@ -4623,7 +4623,7 @@ static ir_node *transform_node_Proj(ir_node *proj)
 }  /* transform_node_Proj */
 
 /**
- * Test wether a block is unreachable
+ * Test whether a block is unreachable
  * Note: That this only returns true when
  * IR_GRAPH_STATE_OPTIMIZE_UNREACHABLE_CODE is set.
  * This is important, as you easily end up producing invalid constructs in the