CMake include path misinterpreted if it has a space in it

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I'm compiling cvblob using CMake/VS10 on Windows 7 64-bit, with the root 
directory at C:/Program Files/cvblob

It compiles fine, but the generated cvBlobConfig.cmake contains (what I believe 
to be) a subtle error. The lines:

# ======================================================
# Include directories to add to the user project:
# ======================================================
INCLUDE_DIRECTORIES(C:/Program Files/cvBlob/include/)    <----- THIS LINE
# Provide the include directories to the caller
SET(cvBlob_INCLUDE_DIRS C:/Program Files/cvBlob/include/)<----- THIS LINE

identify the include path without quote makes, which gets interpreted by CMake 
as two directories, "C:/Program" and "Files/cvBlob/include". Obviously, this 
means the library's include files cannot be found when compiling my project.

Original issue reported on code.google.com by [email protected] on 1 May 2013 at 1:18