Merge pull request #152 from aluaces/spelling2

Some spelling fixes in comments.

src/osgViewer/CMakeLists.txt

@@ -62,7 +62,7 @@ IF(WIN32 AND NOT ANDROID)
     # Enable workaround for OpenGL driver issues when used in multithreaded/multiscreen with NVidia drivers on Windows XP
     # For example: osgviewer dumptruck.osg was showing total garbage (screen looked like shattered, splashed hedgehog)
     # There were also serious issues with render to texture cameras.
-    # Workaround repeats makeCurrentContext call as it was found that this causes the problems to dissapear.
+    # Workaround repeats makeCurrentContext call as it was found that this causes the problems to disappear.
     #
     OPTION(OSG_MULTIMONITOR_MULTITHREAD_WIN32_NVIDIA_WORKAROUND "Set to ON if you have NVidia board and drivers earlier than 177.92 ver" OFF)
     MARK_AS_ADVANCED(OSG_MULTIMONITOR_MULTITHREAD_WIN32_NVIDIA_WORKAROUND)
@@ -250,7 +250,7 @@ SETUP_LIBRARY(${LIB_NAME})
 # install these headers manually since setup_library and moduleinstall
 # wouldn't keep the structure, e.g. api/X11/xyz.h
 FOREACH(HEADERFILE ${TARGET_H_NO_MODULE_INSTALL} ${CONFIG_HEADER_FILES})
-  # get relative path to graphics system dependant header
+  # get relative path to graphics system dependent header
   FILE(RELATIVE_PATH REL_INCLUDEFILE ${HEADER_PATH} ${HEADERFILE})
   GET_FILENAME_COMPONENT(REL_INCLUDE_PATH ${REL_INCLUDEFILE} PATH)
 

src/osgViewer/DarwinUtils.mm

@@ -372,7 +372,7 @@ static double getDictDouble (CFDictionaryRef refDict, CFStringRef key)
     CFNumberRef number_value = (CFNumberRef) CFDictionaryGetValue(refDict, key);
     if (!number_value) // if can't get a number for the dictionary
         return -1;  // fail
-    if (!CFNumberGetValue(number_value, kCFNumberDoubleType, &value)) // or if cant convert it
+    if (!CFNumberGetValue(number_value, kCFNumberDoubleType, &value)) // or if can't convert it
         return -1; // fail
     return value; // otherwise return the long value
 }
@@ -384,7 +384,7 @@ static long getDictLong(CFDictionaryRef refDict, CFStringRef key)        // cons
     CFNumberRef number_value = (CFNumberRef)CFDictionaryGetValue(refDict, key); 
     if (!number_value) // if can't get a number for the dictionary
         return -1;  // fail
-    if (!CFNumberGetValue(number_value, kCFNumberLongType, &value)) // or if cant convert it
+    if (!CFNumberGetValue(number_value, kCFNumberLongType, &value)) // or if can't convert it
         return -1; // fail
     return value;
 }

src/osgViewer/GraphicsWindowIOS.mm

@@ -296,7 +296,7 @@ typedef std::map<void*, unsigned int> TouchPointsIdMapping;
 }
 
 //
-//Implement dealloc to destory our frame buffer
+//Implement dealloc to destroy our frame buffer
 //
 - (void) dealloc
 {