Avoid clash with TS 18661-1:2014 macros
https://bugs.gentoo.org/637986

--- a/Source/Core/VideoBackends/OGL/RasterFont.cpp
+++ b/Source/Core/VideoBackends/OGL/RasterFont.cpp
@@ -15,7 +15,7 @@
 namespace OGL
 {
 
-static const int CHAR_WIDTH = 8;
+static const int DOLPHIN_CHAR_WIDTH = 8;
 static const int CHAR_HEIGHT = 13;
 static const int CHAR_OFFSET = 32;
 static const int CHAR_COUNT = 95;
@@ -146,20 +146,20 @@
 	glGenTextures(1, &texture);
 	glActiveTexture(GL_TEXTURE8);
 	glBindTexture(GL_TEXTURE_2D, texture);
-	std::vector<u32> texture_data(CHAR_WIDTH * CHAR_COUNT * CHAR_HEIGHT);
+	std::vector<u32> texture_data(DOLPHIN_CHAR_WIDTH * CHAR_COUNT * CHAR_HEIGHT);
 	for (int y = 0; y < CHAR_HEIGHT; y++)
 	{
 		for (int c = 0; c < CHAR_COUNT; c++)
 		{
-			for (int x = 0; x < CHAR_WIDTH; x++)
+			for (int x = 0; x < DOLPHIN_CHAR_WIDTH; x++)
 			{
-				bool pixel = (0 != (rasters[c][y] & (1 << (CHAR_WIDTH - x - 1))));
-				texture_data[CHAR_WIDTH * CHAR_COUNT * y + CHAR_WIDTH * c + x] = pixel ? -1 : 0;
+				bool pixel = (0 != (rasters[c][y] & (1 << (DOLPHIN_CHAR_WIDTH - x - 1))));
+				texture_data[DOLPHIN_CHAR_WIDTH * CHAR_COUNT * y + DOLPHIN_CHAR_WIDTH * c + x] = pixel ? -1 : 0;
 			}
 		}
 	}
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, CHAR_WIDTH * CHAR_COUNT, CHAR_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture_data.data());
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, DOLPHIN_CHAR_WIDTH * CHAR_COUNT, CHAR_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture_data.data());
 
 	// generate shader
 	ProgramShaderCache::CompileShader(s_shader, s_vertexShaderSrc, s_fragmentShaderSrc);
@@ -196,7 +196,7 @@
 	std::vector<GLfloat> vertices(text.length() * 6 * 4);
 
 	int usage = 0;
-	GLfloat delta_x = GLfloat(2 * CHAR_WIDTH) / GLfloat(bbWidth);
+	GLfloat delta_x = GLfloat(2 * DOLPHIN_CHAR_WIDTH) / GLfloat(bbWidth);
 	GLfloat delta_y = GLfloat(2 * CHAR_HEIGHT) / GLfloat(bbHeight);
 	GLfloat border_x = 2.0f / GLfloat(bbWidth);
 	GLfloat border_y = 4.0f / GLfloat(bbHeight);