Remove incorrect 's' from install directory <hdf5>/lib/plugin. (#153)

Author: lrknox

docs/INSTALL_With_CMake.txt

@@ -129,7 +129,7 @@ To build HDF5 Filter libraries you will need to:
          --HDF5
          ----1."Y.X"
          ------lib
-         --------plugins
+         --------plugin
          ------cmake
 
       On Linux, change to the install destination directory
@@ -146,7 +146,7 @@ To build HDF5 Filter libraries you will need to:
          --HDF5
          ----1."Y.X"
          ------lib
-         --------plugins
+         --------plugin
          ------share
 
       On Mac you will find HDF5_plugins-1."Y.X"-Darwin.dmg in the myhdfstuff folder. Click
@@ -156,7 +156,7 @@ To build HDF5 Filter libraries you will need to:
          --HDF5
          ----1."Y.X"
          ------lib
-         --------plugins
+         --------plugin
          ------share
 
       By default the installation will create or merge the lib and cmake
@@ -221,7 +221,7 @@ Notes: This short set of instructions is written for users who want to
             --HDF5
             ----1."Y.X"
             ------lib
-            --------plugins
+            --------plugin
             ------cmake
 
          On Linux, change to the install destination directory
@@ -238,7 +238,7 @@ Notes: This short set of instructions is written for users who want to
             --HDF5
             ----1."Y.X"
             ------lib
-            --------plugins
+            --------plugin
             ------share
 
          On Mac you will find HDF5_plugins-1."Y.X"-Darwin.dmg in the build folder. Click
@@ -248,7 +248,7 @@ Notes: This short set of instructions is written for users who want to
             --HDF5
             ----1."Y.X"
             ------lib
-            --------plugins
+            --------plugin
             ------share