Merge pull request #62 from grahamboree/master

A few edge-case memory leak fixes and an uninitialized pointer.

RecastDemo/Source/InputGeom.cpp

@@ -178,6 +178,7 @@ bool InputGeom::load(rcContext* ctx, const char* filePath)
 	fclose(fp);
 	if (readLen != 1)
 	{
+		delete[] buf;
 		return false;
 	}
 	

RecastDemo/Source/MeshLoaderObj.cpp

@@ -155,6 +155,7 @@ bool rcMeshLoaderObj::load(const char* filename)
 
 	if (readLen != 1)
 	{
+		delete[] buf;
 		return false;
 	}
 

RecastDemo/Source/Sample_TempObstacles.cpp

@@ -768,7 +768,7 @@ class TempObstacleCreateTool : public SampleTool
 	
 public:
 	
-	TempObstacleCreateTool()
+	TempObstacleCreateTool() : m_sample(0)
 	{
 	}
 	

RecastDemo/Source/TestCase.cpp

@@ -110,6 +110,7 @@ bool TestCase::load(const char* filePath)
 	fclose(fp);
 	if (readLen != 1)
 	{
+		delete[] buf;
 		return false;
 	}
 

RecastDemo/Source/imguiRenderGL.cpp

@@ -261,6 +261,7 @@ bool imguiRenderGLInit(const char* fontpath)
 	fclose(fp);
 	if (readLen != size)
 	{
+		free(ttfBuffer);
 		return false;
 	}