Fix code blocks

source/_posts/2015-09-05-building-kde-libraries.markdown

@@ -12,7 +12,7 @@ Context
 I have a very basic KDE environment, just enough to be able to run
 Digikam. Anytime I try to delete a photo, I get an error message:
 
-```
+```plain
 Could not start process
 Unable to create io-slave: klauncher said: Unknown protocol 'trash'.
 ```
@@ -26,7 +26,7 @@ Building KDE workspace
 A little grep'ping in port plists hints that the missing dep
 might be x11/kde4-workspace. Alright, let's build that.
 
-```Build log
+```plain Build log
 [...]
 ===>   Registering installation for kfilemetadata-4.14.3_2 as automatic
 pkg-static: Unable to access file /var/ports/work/usr/ports/sysutils/kfilemetadata/work/stage/usr/local/lib/libkfilemetadata.so.4.14.3: No such file or directory
@@ -44,13 +44,13 @@ Answer: the library version is not set by the package itself, it comes from a
 default value from:
 o
 
-```/usr/local/share/apps/cmake/modules/KDE4Defaults.cmake
+```plain /usr/local/share/apps/cmake/modules/KDE4Defaults.cmake
 set(GENERIC_LIB_VERSION "4.14.2")
 ```
 
 Where does this come from?
 
-```
+```plain
 $ pkg which /usr/local/share/apps/cmake/modules/KDE4Defaults.cmake
 /usr/local/share/apps/cmake/modules/KDE4Defaults.cmake was installed by package kdelibs-4.14.2_5
 ```
@@ -71,14 +71,14 @@ Upgrading kdelibs
 
 Let's instead upgrade kdelibs from binary package, and hope for the best:
 
-```
+```plain
 # pkg install -f kdelibs
 ```
 
 This breaks because the binary package depends on a newer libpng, so let's upgrade this one,
 keeping the old shared lib intact just in case.
 
-```
+```plain
 $ digikam 
 /usr/local/lib/libpng16.so.16: version PNG16_0 required by /usr/local/lib/libkhtml.so.5 not defined
 ```