apply Gael's idea for auto transpose in mixed fixed/dynamic case

Eigen/src/Core/Assign.h

diff --git a/Eigen/src/Core/Assign.h b/Eigen/src/Core/Assign.h
index 87e7a13..f3521d3 100644
--- a/Eigen/src/Core/Assign.h
+++ b/Eigen/src/Core/Assign.h
@@ -412,8 +412,10 @@
          bool EvalBeforeAssigning = (int(OtherDerived::Flags) & EvalBeforeAssigningBit) != 0,
          bool NeedToTranspose = Derived::IsVectorAtCompileTime
                 && OtherDerived::IsVectorAtCompileTime
-                && int(Derived::RowsAtCompileTime) == int(OtherDerived::ColsAtCompileTime)
-                && int(Derived::ColsAtCompileTime) == int(OtherDerived::RowsAtCompileTime)
+                && ((int(Derived::RowsAtCompileTime) == 1 && int(OtherDerived::ColsAtCompileTime) == 1)
+                      |  // FIXME | instead of || to please GCC 4.4.0 stupid warning "suggest parentheses around &&".
+                         // revert to || as soon as not needed anymore.
+                    (int(Derived::ColsAtCompileTime) == 1 && int(OtherDerived::RowsAtCompileTime) == 1))
                 && int(Derived::SizeAtCompileTime) != 1>
 struct ei_assign_selector;