[libpng16] Set CMAKE_LIBRARY_OUTPUT_DIRECTORY to "lib" on all platforms

(C. Yapp).
diff --git a/ANNOUNCE b/ANNOUNCE
index a3885fd..3e87b23 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.6.0beta07 - January 25, 2012
+Libpng 1.6.0beta07 - January 26, 2012
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -118,7 +118,7 @@
     review; the documentation has not yet been updated.
   Fixed Min/GW uninstall to remove libpng.dll.a
 
-Version 1.6.0beta07 [January 25, 2012]
+Version 1.6.0beta07 [January 26, 2012]
   Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
     compiler issues slightly different warnings from those issued by the
     current vesions of GCC. This eliminates those warnings by
@@ -133,7 +133,8 @@
     the option the tests written in configure itself fail compilation because
     they cause compiler warnings.
   Rewrote autogen.sh to run autoreconf instead of running tools one-by-one.
-  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt
+  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt and
+    set CMAKE_LIBRARY_OUTPUT_DIRECTORY to "lib" on all platforms (C. Yapp).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CHANGES b/CHANGES
index c7aee5e..29db98e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3869,7 +3869,7 @@
     review; the documentation has not yet been updated.
   Fixed Min/GW uninstall to remove libpng.dll.a
 
-Version 1.6.0beta07 [January 25, 2012]
+Version 1.6.0beta07 [January 26, 2012]
   Eliminated Intel icc/icl compiler warnings. The Intel (GCC derived)
     compiler issues slightly different warnings from those issued by the
     current vesions of GCC. This eliminates those warnings by
@@ -3884,7 +3884,8 @@
     the option the tests written in configure itself fail compilation because
     they cause compiler warnings.
   Rewrote autogen.sh to run autoreconf instead of running tools one-by-one.
-  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt
+  Conditionalize the install rules for MINGW and CYGWIN in CMakeLists.txt and
+    set CMAKE_LIBRARY_OUTPUT_DIRECTORY to "lib" on all platforms (C. Yapp).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ad0c635..1cff0dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -209,11 +209,7 @@
 
 # Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
 IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
-  IF(WIN32)
-    SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "bin")
-  ELSE(WIN32)
-    SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
-  ENDIF(WIN32)
+  SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
 ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
 
 # Set a variable with CMake code which: