Fix various SkColorSpace bugs

src/core/SkColorSpaceXform.cpp

Index: src/core/SkColorSpaceXform.cpp
diff --git a/src/core/SkColorSpaceXform.cpp b/src/core/SkColorSpaceXform.cpp
index 4fbfa6cd9e26973348fbfed05542bcb70df94cff..4a7f17508206afa245281e74fe459d31ff45c036 100644
--- a/src/core/SkColorSpaceXform.cpp
+++ b/src/core/SkColorSpaceXform.cpp
@@ -404,7 +404,7 @@ static void build_gamma_tables(const T* outGammaTables[3], T* gammaTableStorage,
                     // share the same table pointer.  This should almost always be true.
                     // I've never seen a profile where all three gamma curves didn't match.
                     // But it is possible that they won't.
-                    if (gammas->data(0) == gammas->data(i)) {
+                    if (gammas->type(0) == gammas->type(i) && gammas->data(0) == gammas->data(i)) {
                         outGammaTables[i] = outGammaTables[0];
                         continue;
                     }