parser: Fix typo in FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY

"a property", not "an property"

Author: dkl

src/compiler/error.bi

@@ -195,7 +195,7 @@ enum FB_ERRMSG
 	FB_ERRMSG_PARAMCNTFORPROPGET
 	FB_ERRMSG_PARAMCNTFORPROPSET
 	FB_ERRMSG_EXPECTEDPROPERTY
-	FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY
+	FB_ERRMSG_ILLEGALOUTSIDEAPROPERTY
 	FB_ERRMSG_PROPERTYHASNOGETMETHOD
 	FB_ERRMSG_PROPERTYHASNOSETMETHOD
 	FB_ERRMSG_PROPERTYHASNOIDXGETMETHOD

src/compiler/parser-compound.bas

@@ -301,7 +301,7 @@ sub cExitStatement( )
 			dim errmsg as integer
 			select case as const( tk )
 			case FB_TK_SUB         : errmsg = FB_ERRMSG_ILLEGALOUTSIDEASUB
-			case FB_TK_PROPERTY    : errmsg = FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY
+			case FB_TK_PROPERTY    : errmsg = FB_ERRMSG_ILLEGALOUTSIDEAPROPERTY
 			case FB_TK_OPERATOR    : errmsg = FB_ERRMSG_ILLEGALOUTSIDEANOPERATOR
 			case FB_TK_CONSTRUCTOR : errmsg = FB_ERRMSG_ILLEGALOUTSIDEACTOR
 			case FB_TK_DESTRUCTOR  : errmsg = FB_ERRMSG_ILLEGALOUTSIDEADTOR
@@ -341,7 +341,7 @@ sub cExitStatement( )
 			if( symbIsProperty( parser.currproc ) ) then
 				errnum = hCheckForCtorResult( )
 			else
-				errnum = FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY
+				errnum = FB_ERRMSG_ILLEGALOUTSIDEAPROPERTY
 			end if
 
 		case FB_TK_OPERATOR

src/compiler/parser-proccall.bas

@@ -802,13 +802,13 @@ function cProcCallOrAssign _
 			'' no need to check for '=', that was done already by Declaration()
 
 			if( fbIsModLevel( ) ) then
-				errReport( FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY )
+				errReport( FB_ERRMSG_ILLEGALOUTSIDEAPROPERTY )
 				'' error recovery: skip stmt, return
 				hSkipStmt( )
 				return TRUE
 			else
 				if( symbIsProperty( parser.currproc ) = FALSE ) then
-					errReport( FB_ERRMSG_ILLEGALOUTSIDEANPROPERTY )
+					errReport( FB_ERRMSG_ILLEGALOUTSIDEAPROPERTY )
 				end if
 			end if