Ruby: fix spelling errors

ruby/ql/lib/codeql/ruby/ast/Parameter.qll

@@ -109,7 +109,7 @@ class NamedParameter extends Parameter, TNamedParameter {
   final VariableAccess getDefiningAccess() {
     result = this.getVariable().getDefiningAccess()
     or
-    result = this.(SimpleParameterSynthImpl).getDefininingAccess()
+    result = this.(SimpleParameterSynthImpl).getDefiningAccess()
   }
 
   override AstNode getAChild(string pred) {

ruby/ql/lib/codeql/ruby/ast/Variable.qll

@@ -116,7 +116,7 @@ class VariableAccess extends Expr instanceof VariableAccessImpl {
   predicate isImplicitWrite() {
     implicitWriteAccess(toGenerated(this))
     or
-    this = any(SimpleParameterSynthImpl p).getDefininingAccess()
+    this = any(SimpleParameterSynthImpl p).getDefiningAccess()
     or
     this = any(HashPattern p).getValue(_)
     or

ruby/ql/lib/codeql/ruby/ast/internal/Parameter.qll

@@ -38,7 +38,7 @@ class SimpleParameterRealImpl extends SimpleParameterImpl, TSimpleParameterReal
 class SimpleParameterSynthImpl extends SimpleParameterImpl, TSimpleParameterSynth {
   SimpleParameterSynthImpl() { this = TSimpleParameterSynth(_, _) }
 
-  LocalVariableAccessSynth getDefininingAccess() { synthChild(this, 0, result) }
+  LocalVariableAccessSynth getDefiningAccess() { synthChild(this, 0, result) }
 
   override LocalVariable getVariableImpl() { result = TLocalVariableSynth(this, _) }
 

ruby/ql/src/queries/security/cwe-116/IncompleteSanitization.qhelp

@@ -44,7 +44,7 @@ replace further instances of the string that result from earlier replacements.
 </p>
 <p>
 For example, consider the code snippet <code>s.gsub /\/\.\.\//, ""</code>, which attempts to strip
-out all occurences of <code>/../</code> from <code>s</code>. This will not work as expected: for the
+out all occurrences of <code>/../</code> from <code>s</code>. This will not work as expected: for the
 string <code>/./.././</code>, for example, it will remove the single occurrence of <code>/../</code>
 in the middle, but the remainder of the string then becomes <code>/../</code>, which is another
 instance of the substring we were trying to remove.

ruby/ql/src/queries/security/cwe-116/IncompleteSanitization.ql

@@ -116,7 +116,7 @@ predicate allBackslashesEscaped(DataFlow::Node node) {
  * Holds if `sub` looks like a string substitution call that deliberately
  * removes the first occurrence of `str`.
  */
-predicate removesFirstOccurence(StringSubstitutionCall sub, string str) {
+predicate removesFirstOccurrence(StringSubstitutionCall sub, string str) {
   not sub.isGlobal() and sub.replaces(str, "")
 }
 
@@ -158,8 +158,8 @@ predicate isDelimiterUnwrapper(StringSubstitutionCall leftUnwrap, StringSubstitu
     or
     left = "'" and right = "'"
   |
-    removesFirstOccurence(leftUnwrap, left) and
-    removesFirstOccurence(rightUnwrap, right) and
+    removesFirstOccurrence(leftUnwrap, left) and
+    removesFirstOccurrence(rightUnwrap, right) and
     rightUnwrap = getAMethodCall(leftUnwrap)
   )
 }