TechnicalDocs: fix up c syntxa highlighting

TechnicalDoc_Kernel.md

@@ -73,7 +73,7 @@ General points to consider
 -   AppArmor's interface to the LSM is in the file **security/apparmor/lsm.c**
 
 
-```C
+```c
     static struct security_operations apparmor_ops = {
         .name =              "apparmor",
 

TechnicalDoc_Mount_Flags.md

@@ -19,7 +19,8 @@ match (present, not present, don't care) against a bit set.
 
 The mnt flags set follows the kernel mount flag set, that is a 32
 bit mask in the same numerical order as stored in the Linux kernel.
-```C
+
+```c
  #define MS_RDONLY     (1 << 0)
  #define MS_RW         (0 << 0)
  #define MS_NOSUID     (1 << 1)
@@ -100,7 +101,8 @@ bits. That is for a bit set (MS\_RDONLY|MS\_NODEV) only the character
 in that order.
 
 E.G. the dfa state matching for (MS\_RDONLY|MS\_NODEV) is
-```C
+
+```c
     next_state = dfa_match(state, MS_RD_ONLY shift + 1)
     next_state = dfa_match(next_state, MS_NODEV + 1)
 ```

TechnicalDoc_PolicyDB.md

@@ -33,7 +33,7 @@ and eventually a match that can be used to determine permissions.
 
 Example: doing
 
-```C
+```c
  file_rules_start_state = next_state(PolicyDB, start_state, AA_FILE_TYPE)
 ```