Add header dependencies that prevented linux build

There were several files with dependancies on vector and cmath that
caused compiler errors under linux. In addition, there was a printf
formatting error that threw a compiler error as well

src/xenia/cpu/compiler/passes/data_flow_analysis_pass.cc

@@ -23,6 +23,7 @@
 #include <llvm/ADT/BitVector.h>
 #pragma warning(pop)
 #else
+#include <cmath>
 #include <llvm/ADT/BitVector.h>
 #endif  // XE_COMPILER_MSVC
 

src/xenia/cpu/compiler/passes/value_reduction_pass.cc

@@ -22,6 +22,7 @@
 #include <llvm/ADT/BitVector.h>
 #pragma warning(pop)
 #else
+#include <cmath>
 #include <llvm/ADT/BitVector.h>
 #endif  // XE_COMPILER_MSVC
 

src/xenia/gpu/command_processor.h

@@ -240,3 +240,4 @@ class CommandProcessor {
 }  // namespace xe
 
 #endif  // XENIA_GPU_COMMAND_PROCESSOR_H_
+

src/xenia/gpu/gl4/gl4_shader_cache.h

@@ -11,6 +11,8 @@
 #define XENIA_GPU_GL4_SHADER_CACHE_H_
 
 #include <cstdint>
+#include <vector>
+#include <cstring>
 #include <memory>
 #include <unordered_map>