FIX: typo + bring back the OPENGL_gl_LIBRARY path that can be used to find GLU (was wiped out from FindGLU)

Modules/FindOpenGL.cmake

@@ -10,7 +10,7 @@
 #
 # Also defined, but not for general use are
 # OPENGL_gl_LIBRARY   - Path to OpenGL Library
-# OPENGL_glu_LIBRARY  - Pat to GLU Librar
+# OPENGL_glu_LIBRARY  - Path to GLU Library
 #
 
 IF (WIN32)
@@ -90,8 +90,10 @@ ELSE (WIN32)
           /usr/X11R6/lib
   )
 
-# On Unix OpenGL most certainly always requires X11.
-# Feel free to tighten up these conditions if you don't think this is always true.
+  # On Unix OpenGL most certainly always requires X11.
+  # Feel free to tighten up these conditions if you don't 
+  # think this is always true.
+
   IF (OPENGL_gl_LIBRARY)
     INCLUDE( ${CMAKE_ROOT}/Modules/FindX11.cmake )
     IF (X11_FOUND)
@@ -101,7 +103,8 @@ ELSE (WIN32)
 
   FIND_LIBRARY(OPENGL_glu_LIBRARY
     NAMES MesaGLU GLU
-    PATHS /usr/lib
+    PATHS ${OPENGL_gl_LIBRARY}
+          /usr/lib
           /usr/local/lib
           /opt/graphics/OpenGL/lib
           /usr/openwin/lib
@@ -110,7 +113,6 @@ ELSE (WIN32)
 
 ENDIF (WIN32)
 
-
 SET( OPENGL_FOUND "NO" )
 IF(OPENGL_INCLUDE_DIR)
   IF(OPENGL_gl_LIBRARY)
@@ -130,9 +132,10 @@ IF(OPENGL_INCLUDE_DIR)
     ENDIF(OPENGL_glu_LIBRARY)
 
     SET( OPENGL_FOUND "YES" )
-    
 
-#The following deprecated settings are for backwards compatibility with CMake1.4
+    # The following deprecated settings are for backwards 
+    # compatibility with CMake1.4
+
     SET (OPENGL_LIBRARY ${OPENGL_LIBRARIES})
     SET (OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
 
@@ -142,7 +145,9 @@ IF(OPENGL_INCLUDE_DIR)
 
 ENDIF(OPENGL_INCLUDE_DIR)
 
-# On OSX, OpenGL is always there - this will need refining for those using OpenGL with X11
+# On OSX, OpenGL is always there - this will need refining for those 
+# using OpenGL with X11
+
 IF (APPLE)
   SET (OPENGL_FOUND "YES")
   SET (OPENGL_GLU_FOUND "YES")
@@ -152,8 +157,6 @@ IF (APPLE)
   SET (OPENGL_glu_LIBRARY "-framework AGL" CACHE STRING "AGL lib for OSX")
 ENDIF (APPLE)
 
-
-
 MARK_AS_ADVANCED(
   OPENGL_INCLUDE_DIR
   OPENGL_xmesa_INCLUDE_DIR