Fix common misspellings

compiler/testData/diagnostics/testsWithStdLib/contracts/controlflow/flowInlining/labeledReturns.kt

@@ -26,7 +26,7 @@ fun threeLevelsReturnNoInitialization(x: Int?): Int? {
     // Inner always jumps to outer
     // And middle always calls inner
     // So, in fact, middle never finished normally
-    // Hence 'y = 54' in middle is unreachable, and middle doesn't performs definite initalization
+    // Hence 'y = 54' in middle is unreachable, and middle doesn't performs definite initialization
     // Hence, outer doesn't performs definite initialization
     val y: Int
     myRun outer@ {

compiler/testData/diagnostics/testsWithStdLib/contracts/controlflow/flowInlining/nestedTryCatchFinally.kt

@@ -35,7 +35,7 @@ fun outerFinallyInitializes() {
         // Not reported because of repeating diagnostic
         x = outerComputation()
     } catch (e: java.lang.Exception) {
-        // can catch exception thrown by the inner, so x can be not initalized
+        // can catch exception thrown by the inner, so x can be not initialized
         <!UNINITIALIZED_VARIABLE!>x<!>.inc()
         log()
     } finally {

compiler/testData/diagnostics/testsWithStdLib/contracts/fromStdlib/fromStandardKt.kt

@@ -85,7 +85,7 @@ fun testTakeUnless(x: Int?) {
 fun testRepeatOnVal(x: Int) {
     val y: Int
     repeat(x) {
-        // reassignment instead of captured val initalization
+        // reassignment instead of captured val initialization
         <!VAL_REASSIGNMENT!>y<!> = 42
     }
     println(<!UNINITIALIZED_VARIABLE!>y<!>)