Fix calls to fail_with from mixins

Author: jvazquez-r7

lib/msf/core/exploit/http/client.rb

@@ -126,7 +126,7 @@ def validate_fingerprint()
 				opts[:pattern].each do |re|
 					if not re.match(info)
 						err = "The target server fingerprint \"#{info}\" does not match \"#{re.to_s}\", use 'set FingerprintCheck false' to disable this check."
-						fail_with(Msf::Exploit::Failure::NotFound, err)
+						fail_with(Failure::NotFound, err)
 					end
 				end
 			end

lib/msf/core/exploit/mssql_sqli.rb

@@ -144,7 +144,7 @@ def mssql_query(sqla, doprint=false)
 		if (datastore['METHOD'] == 'GET')
 
 			unless datastore['GET_PATH'].index("[SQLi]")
-				fail_with(Exploit::Failure::NoTarget, "The SQL injection parameter was not specified in the GET path")
+				fail_with(Failure::NoTarget, "The SQL injection parameter was not specified in the GET path")
 			end
 
 			uri = datastore['GET_PATH'].gsub("[SQLi]", Rex::Text.uri_encode(sqla))
@@ -160,7 +160,7 @@ def mssql_query(sqla, doprint=false)
 		else
 
 			unless datastore['DATA'].index("[SQLi]")
-				fail_with(Exploit::Failure::NoTarget, "The SQL injection parameter was not specified in the POST data")
+				fail_with(Failure::NoTarget, "The SQL injection parameter was not specified in the POST data")
 			end
 
 			post_data = datastore['DATA'].gsub("[SQLi]", Rex::Text.uri_encode(sqla))