Address incorrect meta data C Banned package

- Fix spelling mistake in obligation key.
- Add missing punctuations.

Author: rvermeulen

c/cert/src/rules/ENV33-C/DoNotCallSystem.ql

@@ -7,7 +7,7 @@
  * @problem.severity error
  * @tags external/cert/id/env33-c
  *       security
- *       external/cert/obligtion/rule
+ *       external/cert/obligation/rule
  */
 
 import cpp

c/misra/src/rules/RULE-4-12/StdLibDynamicMemoryAllocationUsed.ql

@@ -3,7 +3,7 @@
  * @name RULE-4-12: Dynamic memory allocation shall not be used
  * @description Using dynamic memory allocation and deallocation can result to undefined behavior.
  *              This query is for the Standard Library Implementation. Any implementation outside it
- *              will require a separate query under the same directive
+ *              will require a separate query under the same directive.
  * @kind problem
  * @precision very-high
  * @problem.severity error

rule_packages/c/Banned.json

@@ -2,7 +2,7 @@
   "CERT-C": {
     "ENV33-C": {
       "properties": {
-        "obligtion": "rule"
+        "obligation": "rule"
       },
       "queries": [
         {
@@ -310,7 +310,7 @@
       },
       "queries": [
         {
-          "description": "Using dynamic memory allocation and deallocation can result to undefined behavior. This query is for the Standard Library Implementation. Any implementation outside it will require a separate query under the same directive",
+          "description": "Using dynamic memory allocation and deallocation can result to undefined behavior. This query is for the Standard Library Implementation. Any implementation outside it will require a separate query under the same directive.",
           "kind": "problem",
           "name": "Dynamic memory allocation shall not be used",
           "precision": "very-high",