Fix whitespace in CMakeLists.txt

- all spaces no tabs
- indent with 4 spaces everywhere

programs/ssl/CMakeLists.txt

@@ -2,18 +2,18 @@ set(THREADS_USE_PTHREADS_WIN32 true)
 find_package(Threads)
 
 set(libs
-     mbedtls
+    mbedtls
 )
 
 set(targets
-     dtls_client
-     dtls_server
-     ssl_client1
-     ssl_client2
-     ssl_server
-     ssl_fork_server
-     ssl_mail_client
-     mini_client
+    dtls_client
+    dtls_server
+    ssl_client1
+    ssl_client2
+    ssl_server
+    ssl_fork_server
+    ssl_mail_client
+    mini_client
 )
 
 if(USE_PKCS11_HELPER_LIBRARY)