Add missing ref back

Author: Kai Song

IdentityCore/IdentityCore.xcodeproj/project.pbxproj

@@ -529,6 +529,7 @@
 		23FB5C472255A13A002BF1EB /* MSIDIndividualClaimRequestAdditionalInfo.m in Sources */ = {isa = PBXBuildFile; fileRef = 23FB5C27225517AA002BF1EB /* MSIDIndividualClaimRequestAdditionalInfo.m */; };
 		2A24814D2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.m in Sources */ = {isa = PBXBuildFile; fileRef = 2A24814C2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.m */; };
 		2A24814E2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.h in Headers */ = {isa = PBXBuildFile; fileRef = 2A24814B2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.h */; };
+        2A24814F2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.m in Sources */ = {isa = PBXBuildFile; fileRef = 2A24814C2CB06A1A006FCB34 /* MSIDSSORemoteSilentTokenRequest.m */; };
 		2A2481532CB07BCC006FCB34 /* MSIDSSOXpcSilentTokenRequest.m in Sources */ = {isa = PBXBuildFile; fileRef = 2A2481512CB07BCC006FCB34 /* MSIDSSOXpcSilentTokenRequest.m */; };
 		2A2481542CB07BCC006FCB34 /* MSIDSSOXpcSilentTokenRequest.h in Headers */ = {isa = PBXBuildFile; fileRef = 2A2481502CB07BCC006FCB34 /* MSIDSSOXpcSilentTokenRequest.h */; };
 		2A2481582CB08050006FCB34 /* MSIDXpcSingleSignOnProvider.m in Sources */ = {isa = PBXBuildFile; fileRef = 2A2481562CB08050006FCB34 /* MSIDXpcSingleSignOnProvider.m */; };