Get @constructor feature of SKSL working

This is probably the only portion of https://skia-review.googlesource.com/c/skia/+/115900 that we want to keep

TBR=ethannicholas@google.com
Change-Id: Ife4d7bfbe454f705e93fb051b0bcf8e2b0a052b5
Reviewed-on: https://skia-review.googlesource.com/116192
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/sksl/SkSLHCodeGenerator.cpp b/src/sksl/SkSLHCodeGenerator.cpp
index 9750aab..ad97722 100644
--- a/src/sksl/SkSLHCodeGenerator.cpp
+++ b/src/sksl/SkSLHCodeGenerator.cpp
@@ -176,9 +176,9 @@
         const char* msg = "may not be present when constructor is overridden";
         this->failOnSection(CONSTRUCTOR_CODE_SECTION, msg);
         this->failOnSection(CONSTRUCTOR_PARAMS_SECTION, msg);
-        this->failOnSection(COORD_TRANSFORM_SECTION, msg);
         this->failOnSection(INITIALIZERS_SECTION, msg);
         this->failOnSection(OPTIMIZATION_FLAGS_SECTION, msg);
+        return;
     }
     this->writef("    %s(", fFullName.c_str());
     const char* separator = "";