Fixed the indentation of the cmake file

cmake/EigenTesting.cmake

diff --git a/cmake/EigenTesting.cmake b/cmake/EigenTesting.cmake
index 047e964..a92a297 100644
--- a/cmake/EigenTesting.cmake
+++ b/cmake/EigenTesting.cmake
@@ -514,11 +514,11 @@
   # if the sitename is not yet set, try to set it
   if(NOT ${SITE} OR ${SITE} STREQUAL "")
     set(eigen_computername $ENV{COMPUTERNAME})
-  set(eigen_hostname $ENV{HOSTNAME})
+    set(eigen_hostname $ENV{HOSTNAME})
     if(eigen_hostname)
       set(SITE ${eigen_hostname})
-  elseif(eigen_computername)
-    set(SITE ${eigen_computername})
+    elseif(eigen_computername)
+      set(SITE ${eigen_computername})
     endif()
   endif()
   # in case it is already set, enforce lower case
@@ -638,18 +638,18 @@
 
   if(EIGEN_TEST_OPENMP)
     if (${VAR} STREQUAL "")
-    set(${VAR} OMP)
-  else()
-    set(${VAR} ${${VAR}}-OMP)
-  endif()
+      set(${VAR} OMP)
+    else()
+      set(${VAR} ${${VAR}}-OMP)
+    endif()
   endif()
 
   if(EIGEN_DEFAULT_TO_ROW_MAJOR)
     if (${VAR} STREQUAL "")
-    set(${VAR} ROW)
-  else()
-    set(${VAR} ${${VAR}}-ROWMAJ)
-  endif()
+      set(${VAR} ROW)
+    else()
+      set(${VAR} ${${VAR}}-ROWMAJ)
+    endif()
   endif()
 endmacro(ei_get_cxxflags)