Add missing swiftrt-coff change

Author: aschwaighofer

stdlib/public/runtime/SwiftRT-COFF.cpp

@@ -45,6 +45,7 @@ DECLARE_SWIFT_SECTION(sw5rfst)
 DECLARE_SWIFT_SECTION(sw5flmd)
 DECLARE_SWIFT_SECTION(sw5asty)
 DECLARE_SWIFT_SECTION(sw5repl)
+DECLARE_SWIFT_SECTION(sw5reps)
 }
 
 namespace {
@@ -72,6 +73,7 @@ static void swift_image_constructor() {
       SWIFT_SECTION_RANGE(sw5flmd),
       SWIFT_SECTION_RANGE(sw5asty),
       SWIFT_SECTION_RANGE(sw5repl),
+      SWIFT_SECTION_RANGE(sw5reps),
   };
 
 #undef SWIFT_SECTION_RANGE