Fix typo

dist/preview release/babylon.max.js

@@ -20315,7 +20315,7 @@ var BABYLON;
                 for (var _i = 0, _a = this._postProcesses; _i < _a.length; _i++) {
                     var pp = _a[_i];
                     if (pp && !pp.isReady()) {
-                        return;
+                        return false;
                     }
                 }
             }

dist/preview release/es6.js

@@ -20287,7 +20287,7 @@ var BABYLON;
                 for (var _i = 0, _a = this._postProcesses; _i < _a.length; _i++) {
                     var pp = _a[_i];
                     if (pp && !pp.isReady()) {
-                        return;
+                        return false;
                     }
                 }
             }

dist/preview release/viewer/babylon.viewer.max.js

@@ -20403,7 +20403,7 @@ var BABYLON;
                 for (var _i = 0, _a = this._postProcesses; _i < _a.length; _i++) {
                     var pp = _a[_i];
                     if (pp && !pp.isReady()) {
-                        return;
+                        return false;
                     }
                 }
             }

src/Cameras/babylon.camera.ts

@@ -261,7 +261,7 @@
             if (completeCheck) {
                 for (var pp of this._postProcesses) {
                     if (pp && !pp.isReady()) {
-                        return
+                        return false;
                     }
                 }
             }