Fix segfault when destroying context

m_texCoords was not initialized in the GLEScontext constructor, so when
destructing it resulted in an illegal free.
diff --git a/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmContext.cpp b/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmContext.cpp
index 954fad4..f40525d 100644
--- a/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmContext.cpp
+++ b/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmContext.cpp
@@ -34,7 +34,7 @@
     m_initialized = true;
 }
 
-GLEScmContext::GLEScmContext():GLEScontext(),m_pointsIndex(-1), m_clientActiveTexture(0) {
+GLEScmContext::GLEScmContext():GLEScontext(),m_texCoords(NULL),m_pointsIndex(-1), m_clientActiveTexture(0) {
 
     m_map[GL_COLOR_ARRAY]          = new GLESpointer();
     m_map[GL_NORMAL_ARRAY]         = new GLESpointer();