errors

"/C/MinGW/MSYS/1.0/bin/make.exe" -f nbproject/Makefile-Debug_-_Windows__x86_.mk QMAKE= SUBPROJECTS= .build-conf
make.exe[1]: Entering directory `/c/Users/shiina/Projects/projects/HW'
"/C/MinGW/MSYS/1.0/bin/make.exe"  -f nbproject/Makefile-Debug_-_Windows__x86_.mk dist/Debug_-_Windows__x86_/MinGW-Windows/hw.exe
make.exe[2]: Entering directory `/c/Users/shiina/Projects/projects/HW'
mkdir -p build/Debug_-_Windows__x86_/MinGW-Windows
rm -f "build/Debug_-_Windows__x86_/MinGW-Windows/main.o.d"
g++ -m32 -fpermissive -pg   -c -g -Iheaders -I../../irrlicht-1.8.1/include -std=c++11 -MMD -MP -MF "build/Debug_-_Windows__x86_/MinGW-Windows/main.o.d" -o build/Debug_-_Windows__x86_/MinGW-Windows/main.o main.cpp
In file included from c:\mingw\include\windows.h:48:0,
                 from main.cpp:24:
c:\mingw\include\windef.h: In function 'int main()':
c:\mingw\include\windef.h:8:8: error: expected unqualified-id before string constant
 extern "C" {
        ^
In file included from c:\mingw\include\windef.h:253:0,
                 from c:\mingw\include\windows.h:48,
                 from main.cpp:24:
c:\mingw\include\winnt.h:2444:21: error: expected '}' before end of line
 #pragma pack(push,4)
                     ^
c:\mingw\include\winnt.h: At global scope:
c:\mingw\include\winnt.h:2444:21: error: expected declaration before end of line
make.exe[2]: *** [build/Debug_-_Windows__x86_/MinGW-Windows/main.o] Error 1
make.exe[2]: Leaving directory `/c/Users/shiina/Projects/projects/HW'
make.exe[1]: *** [.build-conf] Error 2
make.exe[1]: Leaving directory `/c/Users/shiina/Projects/projects/HW'
make.exe": *** [.build-impl] Error 2

BUILD FAILED (exit value 2, total time: 20s)