File gperftools-fix_docdir.patch of Package gperftools

Index: gperftools/Makefile.am
===================================================================
--- gperftools.orig/Makefile.am
+++ gperftools/Makefile.am
@@ -124,7 +124,7 @@ googleinclude_HEADERS =                             \
    src/google/tcmalloc.h                        \
    src/windows/google/tcmalloc.h
 
-docdir = $(prefix)/share/doc/$(PACKAGE)-$(VERSION)
+docdir = $(prefix)/share/doc/packages/$(PACKAGE)
 # This is for HTML and other documentation you want to install.
 # Add your documentation files (in doc/) in addition to these
 # top-level boilerplate files.  Also add a TODO file if you have one.