Dep/G3D: Backport fix from G3D10

dep/g3dlite/G3D-v9.0 hotfix4.diff

@@ -0,0 +1,16 @@
+ dep/g3dlite/source/Matrix4.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/dep/g3dlite/source/Matrix4.cpp b/dep/g3dlite/source/Matrix4.cpp
+index f3b25ad..0588cb6 100644
+--- a/dep/g3dlite/source/Matrix4.cpp
++++ b/dep/g3dlite/source/Matrix4.cpp
+@@ -606,7 +606,7 @@ bool Matrix4float64::operator==(const Matrix4float64& other) const {
+     // If the bit patterns are identical, they must be
+     // the same matrix.  If not, they *might* still have
+     // equal elements due to floating point weirdness.
+-    if (memcmp(this, &other, sizeof(Matrix4float64) == 0)) {
++    if (memcmp(this, &other, sizeof(Matrix4float64)) == 0) {
+         return true;
+     } 
+