Add back the tmp include check according to bannedit's feedback

Author: wchen-r7

lib/rex/ropbuilder/rop.rb

@@ -195,8 +195,9 @@ def color_pattern(gadget, disasm, addrs, p)
 	end
 
 	def process_gadgets(rets, num)
-		ret = {}
+		ret     = {}
 		gadgets = []
+		tmp     = []
 		rets.each do |ea|
 			insn = @disassembler.disassemble_instruction(ea)
 			next if not insn
@@ -228,6 +229,12 @@ def process_gadgets(rets, num)
 					addr = addr + di.bin_length
 				end
 
+				if not tmp.include?(ea)
+					tmp << ea
+				else
+					next
+				end
+
 				# otherwise, we create a new tailchunk and add it to the list
 				ret = {:file => @file, :address => ("0x%08x" % (ea - x)), :raw => buf, :disasm => dasm}
 				gadgets << ret