Convert tabs into spaces, also use one more macro

CharLS.spec

@@ -1,14 +1,14 @@
-Name:       CharLS
-Version:    2.0.0
-Release:    1%{?dist}
-Summary:    An optimized implementation of the JPEG-LS standard
-License:    BSD
-URL:        https://github.com/team-charls/charls
-Source0:    https://github.com/team-charls/charls/archive/%{version}/%{name}-%{version}.tar.gz
-
-BuildRequires:  gcc
-BuildRequires:  gcc-c++
-BuildRequires:  cmake >= 2.6.0
+Name:		CharLS
+Version:	2.0.0
+Release:	1%{?dist}
+Summary:	An optimized implementation of the JPEG-LS standard
+License:	BSD
+URL:		https://github.com/team-charls/charls
+Source0:	https://github.com/team-charls/charls/archive/%{version}/%{name}-%{version}.tar.gz
+
+BuildRequires:	gcc
+BuildRequires:	gcc-c++
+BuildRequires:	cmake >= 2.6.0
 
 %description
 An optimized implementation of the JPEG-LS standard for loss less and
@@ -22,9 +22,9 @@ compression ratios, similar to JPEG 2000. JPEG-LS is more similar to the old
 loss less JPEG than to JPEG 2000, but interestingly the two different techniques
 result in vastly different performance characteristics.
 
-%package        devel
-Summary:    Libraries and headers for CharLS
-Requires:   %{name}%{?_isa} = %{version}-%{release}
+%package devel
+Summary:	Libraries and headers for CharLS
+Requires:	%{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 CharLS Library Header Files and Link Libraries.
@@ -32,13 +32,13 @@ CharLS Library Header Files and Link Libraries.
 
 %prep
 %autosetup -n charls-%{version}
-rm CharLS*.sln* -v
+%{__rm} CharLS*.sln* -v
 
 %build
 %cmake -DBUILD_SHARED_LIBS:BOOL=ON\
-       -DCMAKE_BUILD_TYPE:STRING="Release"\
-       -DCMAKE_VERBOSE_MAKEFILE=ON\
-       -DBUILD_TESTING=ON .
+	-DCMAKE_BUILD_TYPE:STRING="Release"\
+	-DCMAKE_VERBOSE_MAKEFILE=ON\
+	-DBUILD_TESTING=ON .
 
 %make_build